Rondero, , C. P. M. G., and I. H. Casupanan. “Challenges and Opportunities in Multigrade Teaching: Experiences of Primary School Teachers in Far-Flung Schools”. International Journal of Multidisciplinary: Applied Business and Education Research, Vol. 5, no. 12, Dec. 2024, pp. 5162-74, doi:10.11594/ijmaber.05.12.19.