E. Yunitasari, D. U. W. Putri, N. K. A. Armini, N. P. Sudarsiwi, and V. Ramoo, “Analysis of factors that affect the utilization of antenatal care in developing countries: a systematic review”, J Pak Med Assoc, vol. 73, no. 02, pp. S162-S169, Feb. 2023.