Forecasting on Indonesian Coal Production and Future Extraction Cost: A Tool for Formulating Policy on Coal Marketing (Articles)

Fadhila Achmadi Rosyid, Tsuyoshi Adachi

Natural Resources Vol.7 No.12，December 6, 2016

DOI: 10.4236/nr.2016.712054   1,894 Downloads  3,824 Views  Citations

Theoretical Modeling for Predicting the Optimum Twist Angle of Cotton Fiber Movement on OE Yarn Made by Rotor Spinning Machine (Articles)

Valentinus Galih Vidia Putra, M. Farchani Rosyid

Journal of Applied Mathematics and Physics Vol.3 No.5，May 29, 2015

DOI: 10.4236/jamp.2015.35074   2,573 Downloads  3,272 Views  Citations