Andrie, M., 		Taurina, W., & 		Wulandari, M.
2021 Oct 31.  Stability Test of Ointment Protein Combination Snakehead Fish (Channa striata) and Ethanol Extract Leaves (Piper betle L.) Using Kjeldahl Method. JURNAL ILMU KEFARMASIAN INDONESIA. [Online] 19:2