“An Analysis of the Impact of Healthcare Workforce, Educational Infrastructure, and Non-Food Expenditure on Human Development Index (HDI) in Humbang Hasundutan Regency, Indonesia”. Asian Multidisciplinary Research Journal of Economy and Learning 1, no. 2 (September 24, 2024). Accessed November 22, 2024. https://argaelpublisher.com/index.php/amjel/article/view/14.