“A Quasi-Experimental Study of Mobile Health Intervention: Measuring the Impact of Android-Based Prenatal Classes on Knowledge and Attitudes of First-Time Mothers in Indonesia”. Jurnal Bidan Cerdas 7, no. 1 (June 25, 2025): 131–139. Accessed November 15, 2026. https://ojs.polkespalupress.id/index.php/JBC/article/view/4184.