Pandey, S.R. et al. 2026. Teacher Motivation and Learner Motivation in Sustainable Education: A Review of Intrinsic and Extrinsic Factors in Nepal. PPSDP International Journal of Education. 5, 2 (Oct. 2026), 555–571. DOI:https://doi.org/10.59175/pijed.v5i2.923.