1.
Manullang M, Gultom RAT, Tobing LL, Sitorus MH. Becoming a professional christian religious education teacher in the era of covid-19 pandemic. tijossw [Internet]. 2022 Jun. 28 [cited 2026 Nov. 3];4(1):330-6. Available from: https://www.growingscholar.org/journal/index.php/TIJOSSW/article/view/229