HIEP, Dang Tan; CHEN, Bing-Hung. 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, v. 52, n. 2, p. 151–158, 2014. DOI: 10.15625/0866-708X/52/2/3128. Disponível em: https://vjs.ac.vn/jst/article/view/3128. Acesso em: 10 jan. 2026.