Nurhalimah Boangmanalu, Nurlina, and Asnidar. “Determinants of the Human Development Index in Pakpak Bharat Regency, Indonesia”. International Journal of Advances in Social Sciences 1, no. 2 (January 2, 2025). Accessed September 4, 2025. https://journals.pelitapublishing.com/index.php/ijass/article/view/45.