Setyono, Hilda Alfiyani, Venty Suryanti, Alfianita Utama Putri, and Mamoru Koketsu. 2024. “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 (3):586-93. https://doi.org/10.26554/sti.2024.9.3.586-593.