Ihsan, Bachtiar Rifai Pratita, Delina, Ade Putri, AND Shalas, Alvan Febrian. " Determination of Quercetin in Extracts and Herbal Products of Phyllanthus niruri by TLC Densitometry Method" Proceedings of International Pharmacy Ulul Albab Conference and Seminar (PLANAR) [Online], Volume 2(5 December 2022)