Nasution, D., H. Hidayani, and A. S. br Ginting. “HUBUNGAN TEMPAT SARANA, PERAN KADER ,KECEMASAN TERHADAP KUNJUNGAN IMUNISASI SELAMA PANDEMIC COVID 19”. SENTRI: Jurnal Riset Ilmiah, vol. 1, no. 3, Nov. 2022, pp. 706-15, https://ejournal.nusantaraglobal.or.id/index.php/sentri/article/view/279.