Gimbun, J., Ishak, N. F., Muhammad, N. I. S., Pang, S. F., Kadir, M. A. A., Ramli, H., Abdullah, M. F., Giman, Z., & Khadisah, Z. (2014). Ultrasonic Assisted Extraction Polyphenols andD Antioxidant from Nigella Sativa Seed. Journal of Engineering and Technology (JET), 5(2), 17–26. Retrieved from https://jet.utem.edu.my/jet/article/view/157