Calamba, I., N. Ismael, J. Saludaga, M.G.F Samson, D. Torre, and Prof. Avilynne A. Tandoc. 2019. “The Effects of Classroom Environment on Academic Performance of Grade 1 Pupils at NHC Elementary School”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 1 (1). https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1197.