Hiep, D. T. and Chen, B.-H. (2014) “{"en_US": ‘Application of response surface methodology to optimize biodiesel production from esterification of palmitic acid in excess methanol’}”, Vietnam Journal of Science and Technology. Hanoi, VN, 52(2), pp. 151–158. doi: 10.15625/0866-708X/52/2/3128.