Simorangkir, Murniaty, Ribu Surbakti, Tonel Barus, and Partomuan Simanjuntak. 2017. “Secondary Metabolites Phytochemical Analysis of Leaves and Fruit Extract Solanum Blumei Nees Ex Blume Local”. Jurnal Pendidikan Kimia 9 (1):244-48. https://doi.org/10.24114/jpkim.v9i1.6186.