How Does the Change of Carbon Dioxide Emissions Affect Transportation Productivity? A Case Study of the US Transportation Sector from 2002 to 2011 (Articles)

Jaesung Choi, David C. Roberts

Open Journal of Social Sciences Vol.3 No.2，February 9, 2015

DOI: 10.4236/jss.2015.32013   3,298 Downloads  3,952 Views  Citations

Impacts of Air Pollution on Productivity Growth in the Air and Truck Transportation Industries in the US: an Application of the Data Envelopment Analysis Malmquist Environmental Productivity Index (Articles)

Jaesung Choi, David C. Roberts

Open Journal of Social Sciences Vol.3 No.2，February 11, 2015

DOI: 10.4236/jss.2015.32016   3,097 Downloads  3,570 Views  Citations

Reshaping Tribal Road Network Using Public Information (Articles)

Jaesung Choi, EunSu Lee, David C. Roberts

Journal of Geographic Information System Vol.6 No.6，December 8, 2014

DOI: 10.4236/jgis.2014.66049   3,633 Downloads  4,125 Views  Citations

Productivity Growth in the Transportation Industries in the United States: An Application of the DEA Malmquist Productivity Index (Articles)

Jaesung Choi, David C. Roberts, EunSu Lee

American Journal of Operations Research Vol.5 No.1，January 6, 2015

DOI: 10.4236/ajor.2015.51001   4,096 Downloads  4,799 Views  Citations

Forecasting Oil Production in North Dakota Using the Seasonal Autoregressive Integrated Moving Average (S-ARIMA) (Articles)

Jaesung Choi, David C. Roberts, EunSu Lee

Natural Resources Vol.6 No.1，January 19, 2015

DOI: 10.4236/nr.2015.61003   3,141 Downloads  3,797 Views  Citations
This article belongs to the Special Issue on Natural Resource Economics

Effectiveness of Social Cognition and Interaction Training (SCIT) in Community Settings in Portugal (Articles)

Filipa Palha, David L. Roberts

Health Vol.11 No.12，December 13, 2019

DOI: 10.4236/health.2019.1112119   197 Downloads  327 Views  Citations

Efficacy of Cooling Beef Taco Meat and Steamed Rice in United States School Foodservice Operations (Articles)

David A. Olds, Kevin R. Roberts, Kevin L. Sauer, Jeannie Sneed, Carol W. Shanklin

Food and Nutrition Sciences Vol.4 No.7，July 5, 2013

DOI: 10.4236/fns.2013.47094   3,201 Downloads  4,251 Views  Citations

Radiation Use Efficiency of Cotton in Contrasting Environments (Articles)

Evangelos D. Gonias, Derrick M. Oosterhuis, Androniki C. Bibi, Bruce A. Roberts

American Journal of Plant Sciences Vol.3 No.5，May 30, 2012

DOI: 10.4236/ajps.2012.35079   5,284 Downloads  8,363 Views  Citations

Effect of Copper on Growth Characteristics and Disease Control of the Recently Introduced Guignardia citricarpa on Citrus in Florida (Articles)

Katherine E. M. Hendricks, Ryan S. Donahoo, Pamela D. Roberts, Mary C. Christman

American Journal of Plant Sciences Vol.4 No.2，February 20, 2013

DOI: 10.4236/ajps.2013.42037   4,395 Downloads  7,335 Views  Citations

Assessing Effects of Crop History and Soil Amendments on Yields of Subsequent Crops (Articles)

Adrian C. Newton, David C. Guy

Agricultural Sciences Vol.11 No.5，May 28, 2020

DOI: 10.4236/as.2020.115032   121 Downloads  353 Views  Citations

Persistence of herpetofauna in the urbanized rouge river ecosystem (Articles)

David A. Mifsud, John C. Thomas

Open Journal of Ecology Vol.3 No.3，July 18, 2013

DOI: 10.4236/oje.2013.33027   3,862 Downloads  5,752 Views  Citations

Systems pharmacology modeling in neuroscience: Prediction and outcome of PF-04995274, a 5-HT4 partial agonist, in a clinical scopolamine impairment trial (Articles)

Timothy Nicholas, Sridhar Duvvuri, Claire Leurent, David Raunig, Tracey Rapp, Phil Iredale, Carolyn Rowinski, Robert Carr, Patrick Roberts, Athan Spiros, Hugo Geerts

Advances in Alzheimer's Disease Vol.2 No.3，September 26, 2013

DOI: 10.4236/aad.2013.23012   6,192 Downloads  9,387 Views  Citations

Environmental Impact of Flooding in the Main (Smallwood) Reservoir of the Churchill Falls Power Plant, Labrador, Canada. I. Background and Descriptions of Flooded Conditions Related to Vegetation and Land Cover Types (Articles)

Denes Bajzak, Bruce A. Roberts

Journal of Water Resource and Protection Vol.3 No.3，March 7, 2011

DOI: 10.4236/jwarp.2011.33018   6,214 Downloads  10,670 Views  Citations

Environmental Impact of Flooding in the Main (Smallwood) Reservoir of the Churchill Falls Power Plant, Labrador, Canada. II. Chemical and Mechanical Analysis of Flooded Trees and Shoreline Changes. (Articles)

Denes Bajzak, Bruce A. Roberts

Journal of Water Resource and Protection Vol.3 No.3，March 7, 2011

DOI: 10.4236/jwarp.2011.33019   5,446 Downloads  9,058 Views  Citations

Environmental Impact of Flooding in the Main (Smallwood) Reservoir of the Churchill Falls Power Plant, Labrador, Canada . III. Environmental Impact Zones and Direct and Indirect Changes. (Articles)

Denes Bajzak, B. A. Roberts

Journal of Water Resource and Protection Vol.3 No.3，March 7, 2011

DOI: 10.4236/jwarp.2011.33020   4,207 Downloads  7,895 Views  Citations

The Necessity of Information Security in the Vulnerable Pharmaceutical Industry (Articles)

Shawn Josette Roberts

Journal of Information Security Vol.5 No.4，September 25, 2014

DOI: 10.4236/jis.2014.54014   5,216 Downloads  6,871 Views  Citations

Adoption of Innovation within Universities: Proposing and Testing an Initial Model (Articles)

Abdulrahman Hariri, Paul Roberts

Creative Education Vol.6 No.2，February 10, 2015

DOI: 10.4236/ce.2015.62017   5,116 Downloads  6,038 Views  Citations

Development of the Higher Education Value Inventory: Factor Structure and Score Reliability (Articles)

Vickie R. Luttrell, David C. S. Richard

Psychology Vol.2 No.9，December 2, 2011

DOI: 10.4236/psych.2011.29137   5,959 Downloads  10,089 Views  Citations

Is Individually-Targeted Food Assistance Shared among Family Members? (Articles)

Jonathan V. Woodward, David C. Ribar

Food and Nutrition Sciences Vol.3 No.6，June 20, 2012

DOI: 10.4236/fns.2012.36101   3,966 Downloads  6,104 Views  Citations

Tested In and Placed In: Are Sixth-Grade Boys and Girls Completing Early Challenge Math Coursework before They Are Ready? (Articles)

David C. Hemphill, John W. Hill

Creative Education Vol.4 No.8，August 6, 2013

DOI: 10.4236/ce.2013.48076   7,629 Downloads  10,243 Views  Citations