[1]
Panjaitan, S.M. et al. 2022. Kursus Bimbingan Belajar GenBi (Generasi Bijak) di SD Gajah Mada Medan. Indonesia Berdaya. 3, 3 (Jun. 2022), 495–500. DOI:https://doi.org/10.47679/ib.2022248.