Panjaitan, Simon Maruli, Anggun Rezeky Marito Manurung, Koleta A.A Purba, Rodia Mestina Simaremare, Lidia Erika Situmorang, and Koko Mai Siregar. “Kursus Bimbingan Belajar GenBi (Generasi Bijak) Di SD Gajah Mada Medan”. Indonesia Berdaya 3, no. 3 (June 16, 2022): 495–500. Accessed June 26, 2026. https://ukinstitute.org/journals/ib/article/view/248.