SULISTYO, H.; AZIZ, M. M.; MANGGALA, D. V. Esterification of Gondorukem with Glycerol and Malic Anhydride Acid Using Hypophosphorous Acid Catalyzer. Proceeding International Conference on Religion, Science and Education, [S. l.], v. 3, p. 655–660, 2024. Disponível em: http://sunankalijaga.org/prosiding/index.php/icrse/article/view/1268. Acesso em: 29 may. 2026.