Hasibuan, Nur Cahaya, et al. “Mother’s Knowledge and Compliance With Basic Infant Immunization at Sibuhuan Health Center, Padang Lawas”. Jurnal Kesehatan Masyarakat Perkotaan, vol. 6, no. 2, Oct. 2026, pp. 571-83, doi:10.37012/jkmp.v6i2.3833.