THIAMSINSANGWON, P.; YUWANSRI, L.- ongthip; KOSITANONT, C.; MENS, W. Valorization of glycerol via esterification of oleic acid and glycerol under microwave heating using zinc oxide as a catalyst. Frontiers in Engineering Innovation Research, [S. l.], v. 24, n. 1, p. 11–21, 2026. DOI: 10.60101/feir.2026.267247. Disponível em: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/267247. Acesso em: 2 sep. 2026.