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. IJEER [Internet]. 2025 Apr. 11 [cited 2026 Feb. 3];6(1):1-12. Available from: https://openjournal.unpam.ac.id/index.php/IJEER/article/view/48563