Makha, P. .-., & Sriwattana, S. (2020). Optimization of Microwave Vacuum Drying and Ultrasonic Extraction on Physicochemical Properties of Butterfly Pea Flower (Clitoria ternatea L.). Science Essence Journal, 36(2), 197–216. Retrieved from https://ejournals.swu.ac.th/index.php/sej/article/view/12671