Ismail, Sjarif, and Meiliati Aminyoto. 2018. “Aphrodisiac Activity of Ethanol Extract of Cratoxylum Sumatranum (JACK) Blume Stems on Isolated Rat Corpus Cavernosum”. Journal of Tropical Pharmacy and Chemistry 4 (3):122-27. https://doi.org/10.25026/jtpc.v4i3.150.