Firdaus, Firdaus, Nunuk Hariani Soekamto, and Abdul Karim. “Sintesis 4-Hidroksisinamamida Dari Asam 4-Hidroksinanamat Melalui Reaksi Esterifikasi Dan Amonolisis”. Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) 2, no. 2 (December 1, 2009): 37–43. Accessed February 23, 2025. https://journal.unhas.ac.id/index.php/ica/article/view/2463.