Putra, R. D. ., syofyan, E. ., Kurniawati, T. ., Fauzihardani, E. ., Sebrina, N. ., & Deviani, D. . (2026). A revisiting regional development efficiency in west sumatra: A dea–bootstrap analysis of infrastructure and human capital quality. International Journal of Innovative Research and Scientific Studies, 9(4), 59–70. https://doi.org/10.53894/ijirss.v9i4.11490