Purwaningsih, Y., 		Hanhadyanaputri, E., 		Mutiara, E., 		Dewi, D., AND 		Muthohar, Y..
" AMIDATION CINNAMIC ACID BY DIETHYLAMINE WITH BORIC ACID AS CATALYST USING ULTRASONIC IRRADIATION" <em>Jurnal Kimia (Journal of Chemistry)</em> [Online], (28 January 2022)