Syafruddin Ilyas, Salomo Hutahaean. Organoleptic evaluation and chemical tests of various formulations of kencur drink (Kaemfelia galanga L.): efforts to find the best formulation to increase body immunity . Int J Ecophysiol [Internet]. 2023Feb.28 [cited 2024Jul.20];5(1):78-86. Available from: https://talenta.usu.ac.id/ijoep/article/view/12387