Pramadani, S., Sa’diah, H., Alifi Nur Prasetia Nugroho, & Nurul Huda. (2025). The development of family planning (KB) program in Kulon Progo, Indonesia (1971-1998). Harmoni Sosial: Jurnal Pendidikan IPS, 11(2), 46–52. https://doi.org/10.21831/hsjpi.v11i2.83874