Andriani, F., S. . Sihombing, S. Sapnita, and T. S. . Dewiwati. “Optimizing Maternal and Child Health Services With Operations Research Techniques Approach”. Journal of Intelligent Decision Support System (IDSS), vol. 6, no. 2, June 2023, pp. 88-96, doi:10.35335/idss.v6i2.144.