Syafruddin Ilyas, and 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 ”. International Journal of Ecophysiology, vol. 5, no. 1, Feb. 2023, pp. 78-86, doi:10.32734/ijoep.v5i1.12387.