Suok Ling Nguang, S., Ling Yeong, Y., Sook Fun Pang, S., & Gimbun, J. (2018). Optimisation of Gallic Acid and Quercetin Extraction from Phyllanthus Niruri. International Journal of Engineering & Technology, 7(3.13), 90-94. https://doi.org/10.14419/ijet.v7i3.13.16331