Abuzar, M. and Purwandari, E. 2024. Self-Esteem Matters: Examining its Impact on Academic Achievement in the Context of Gender and Age Diversity in Higher Education. Indonesian Journal of Social Research (IJSR). 6, 2 (Aug. 2024), 156-171. DOI:https://doi.org/10.30997/ijsr.v6i2.473.