Natarajan D, Al Sulaimi BH, Lacap EM, Kumar K. A Comparative Study of Student Mathematical Performance in three modes of Teaching and Learning Education during the Covid-19 Pandemic . IJCES [Internet]. 29 Haziran 2022 [a.yer 01 Temmuz 2025];1(1):36-50. Erişim adresi: https://ijces.net/index.php/ijces/article/view/1