Mardiana, Nina, et al. “The Influence of Customer Factors (Preferences, Desires-Demand) on Antenatal Care Services and Delivery Places in Balikpapan City”. Poltekita: Jurnal Ilmu Kesehatan, vol. 18, no. 3, Nov. 2024, doi:10.33860/jik.v18i3.3924.