SISKA VERONIKA; ANTON LUVI SIAHAAN; TUMPAL MANAHARA SIAHAAN. The Influence of Learning Facilities and Learning Environment on the Learning Motivation of Class VIII Students at SMP Negeri 7 Pematang Siantar. International Journal of Educational and Psychological Sciences, [S. l.], v. 1, n. 3, p. 229–240, 2023. DOI: 10.59890/ijeps.v1i3.643. Disponível em: https://journal.multitechpublisher.com/index.php/ijeps/article/view/643. Acesso em: 18 jul. 2026.