Sulistyo H, Aziz MM, Manggala DV. Esterification of Gondorukem with Glycerol and Malic Anhydride Acid Using Hypophosphorous Acid Catalyzer. ICRSE [Internet]. 2024 Mar. 20 [cited 2026 Jul. 28];3:655-60. Available from: https://sunankalijaga.org/prosiding/index.php/icrse/article/view/1268