Pekabanda, Kartini, and Yublina Rohi. 2018. “Factors Associated With K4 Service Utilization by Pregnant Women in the Working Area of Kambaniru Health Center East Sumba District”. JKP (Jurnal Kesehatan Primer) 3 (1):56-65. https://doi.org/10.5281/jkp.v3i1.252.