Hasibuan R, Ginting NAR. Hambatan terhadap Imunisasi Anak: Studi Kualitatif di Salah Satu Posyandu Kota Medan: Why Children are Not Brought in for Immunization: A Qualitative Investigation at Posyandu in Medan. Media Publ. Promosi Kesehat. Indones [Internet]. 2023Dec.1 [cited 2024Jul.3];6(12):2478-87. Available from: https://jurnal.unismuhpalu.ac.id/index.php/MPPKI/article/view/4161