Makawawa, Junita Cristi, Ali Mustadi, Jewish Van Septriwanto, Falenthino Sampouw, and Roeth A.O Najoan. 2021. “Primary School Teachers Perception of Technological Pedagogical Content Knowledge in Online Learning Due to Covid 19”. Jurnal Prima Edukasia 9 (1):85-95. https://doi.org/10.21831/jpe.v9i1.35245.