The Survey on the Implementation of Online Tutoring Information Services at SMP PGRI 1 Buduran Sidoarjo. Buana Pendidikan: Jurnal Fakultas Keguruan dan Ilmu Pendidikan Unipa Surabaya, [S. l.], v. 17, n. 2, p. 138–144, 2021. DOI: 10.36456/bp.vol17.no2.a3972. Disponível em: https://jurnal.unipasby.ac.id/jurnal_buana_pendidikan/article/view/3972. Acesso em: 23 oct. 2026.