Ling Yeong, Yi, Sook Fun Pang, Sin Yee Chong, and Jolius Gimbun. 2018. “Comparison of Microwave and Ultrasonic Assisted Extraction of Kaempferol from Cassia Alata”.
International Journal of Engineering and Technology 7 (3.13): 84-89.
https://doi.org/10.14419/ijet.v7i3.13.16330.