LUBIS, N.; MUJIB, A.; SRIWAHYUNI, Y. GURU KELILING (GULING) PADA MASA PANDEMI COVID-19. Integral : Pendidikan Matematika, [S. l.], v. 11, n. 2, p. 28–39, 2020. Disponível em: https://e-journal.umc.ac.id/index.php/JNR/article/view/1752. Acesso em: 22 jul. 2024.