ANGELIA NUR SUGANDHI; SAPTINA RETNAWATI. The Impact of Learning Environment and Learning Facilities on Students’ Academic Achievement in Economics at MA Man’baul Ulum Serpong. International Journal of Economics Education Research (IJEER), [S. l.], v. 6, n. 1, p. 1–12, 2025. Disponível em: https://openjournal.unpam.ac.id/index.php/IJEER/article/view/48563. Acesso em: 3 feb. 2026.