Hidayat, Adi, Anhari Achadi, Sunoto Sunoto, and Sumarmo P. Soedarmo. 1998. “The Effect of Zinc Supplementation in Children under Three Years of Age With Acute Diarrhea in Indonesia”. Medical Journal of Indonesia 7 (4):237-41. https://doi.org/10.13181/mji.v7i4.750.