Manurung, L. W., Sitorus, N., Pangaribuan, M., Pakpahan, C., Saragi, C. N., Sipayung, K. T., … Maděra, M. (2022). Exposing Literacy in SD and SMP Swasta HKBP Sidorame Medan. Indonesia Berdaya, 3(4), 1073–1078. https://doi.org/10.47679/ib.2022354