Purwaningsih, Y., E. S. Hanhadyanaputri, E. V. Mutiara, D. I. Dewi, & Y. A. Muthohar.
" AMIDATION CINNAMIC ACID BY DIETHYLAMINE WITH BORIC ACID AS CATALYST USING ULTRASONIC IRRADIATION." <em>Jurnal Kimia (Journal of Chemistry)</em> [Online], (2022): 60-65. Web.  6 May. 2024