Natarajan, D.; Al Sulaimi , B. H. .; Lacap , E. M.; Kumar , K. A Comparative Study of Student Mathematical Performance in Three Modes of Teaching and Learning Education During the Covid-19 Pandemic . Int. J. Curr. Educ. Stud. 2022, 1 (1), 36-50. https://doi.org/10.46328/ijces.1.