1. Ahmad, R., & Abdullah, F. (2020). Challenges faced by multigrade teachers in Pakistan: A qualitative study. Journal of Education and Learning, 9(4), 30-41.
2. Alfonso, R. A., Cabanero, M. A. M., & Atienza, R. A. (2020). Coping with multigrade teaching: Lived experiences of teachers in the Philippines. Asia Pacific Journal of Multidisciplinary Research, 8(4), 1-12.
3. Avenido, A. S. (2020). The lived experiences of multigrade teachers in a rural school in the Visayas. Asia Pacific Journal of Multidisciplinary Research, 8(4), 86-92.
4. Bell, A. C., Meierotto, L., & Williams, S. (2020). Multigrade teaching in the United States: A case study of teacher challenges and strategies. Journal of Education and Learning, 9(4), 106-115.
5. Bronfenbrenner, U. (1979). The ecology of human development: Experiments by nature and design. Harvard University Press.