Setyono, Hilda Alfiyani, Venty Suryanti, Alfianita Utama Putri, and Mamoru Koketsu. “Modification Structure of Cinnamaldehyde With Primary Amines by Reflux and Sonication Methods in the Presence of Sulfuric Acid As a Catalyst”. Science and Technology Indonesia 9, no. 3 (June 30, 2024): 586–593. Accessed May 8, 2026. https://sciencetechindonesia.com/index.php/jsti/article/view/1187.