Oladeni Sakirudeen A, Uwe E. Learning Environment Variables and the Efficacy of Student Learning in Secondary School in Abak Local Government, Akwa Ibom State. REI [Internet]. 27. julij 2020. [citirano 25. september 2025.];13(2):113-30. Dostopno na: https://old.journals.um.si/index.php/education/article/view/532