Narongrit, S., M. Teerasak, R. Preeyanuch, Y. Wutthisit, I. Santi, P. Nongyao, and W. Chatree. “RESEARCH PRODUCTIVITY AND IMPACT OF ASIAN COUNTRIES AND UNIVERSITIES IN THE FIELD OF ENERGY AND FUEL”. Malaysian Journal of Library and Information Science, vol. 16, no. 1, May 2017, pp. 35-46, https://adum.um.edu.my/index.php/MJLIS/article/view/6679.