SARAGIH, Ardina Br; HUTAGALUNG, Celine Inviolata; OKTAFIANA, Jayadi Setia; NABABAN, Johannes P; MANIK, Kristin Y. S.; TURNIP, Sthepanie; MANURUNG, Winda C. Br.; SINAGA, Juli Antasari Br. Kursus Bimbel Gratis dan Menyenangkan Bahasa dan Matematika di SMP Beerseba Pekanbaru. Indonesia Berdaya, [S. l.], v. 3, n. 2, p. 217–224, 2022. DOI: 10.47679/ib.2022205. Disponível em: https://ukinstitute.org/journals/ib/article/view/3205. Acesso em: 8 jul. 2026.