S. Nasution and R. Pratiwi, “Penanaman Nilai Agama Pada Anak Usia Dini Di Raudhatul Athfal Darul Ulum Muaramais Jambur Mandailing Natal”, ra, vol. 5, no. 1, pp. 1–16, Jun. 2021, doi: 10.19109/ra.v5i1.7811.