Wirasutisna, K. R., A. Nawawi, and N. Sari. “Telaah Fitokimia Daun Kangkung Air (Ipomoea Aquatic Forsskal)”. Acta Pharmaceutica Indonesia, vol. 37, no. 2, June 2012, pp. 39-42, doi:10.5614/api.v37i2.4039.