Zuliatin, Nur Ima, et al. “The Relationship Between Knowledge and the Role of Parents and Completeness of Basic Immunization for 2-Year-Old Children”. SURYA: Jurnal Media Komunikasi Ilmu Kesehatan, vol. 16, no. 2, Aug. 2024, pp. 55-62, doi:10.38040/js.v16i2.958.