R. G. P. Panjaitan, A. Kartika, and A. R. P. Raharjeng, “The Protective Effect of Kratom (Mitragyna speciosa Korth.) Leaves Extract on Pancreas of Mice Exposed to Alcoholic Drinks: doi.org/10.26538/tjnpr/v5i7.11”, TJNPR, vol. 5, no. 7, pp. 1230–1233, Jul. 2021.