Zulkarnain, A., Haminati, N., Misdawita, M., & Sufnirayanti. (2026). Labor Utilization Inefficiency: A Literature Review of Studies on Underemployment and Skills Mismatch in Indonesia . International Journal of Islamic Business and Management Review, 5(2), 354–367. https://doi.org/10.54099/ijibmr.v5i2.1707