“The Effects of Classroom Environment on Academic Performance of Grade 1 Pupils at NHC Elementary School” (2019) Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, 1(1). Available at: https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1197 (Accessed: 30 January 2026).