“A Study on the Impact of Government Complexity and Regional Governmentas Size on Human Development Index in North Sumatera, Indonesia”, GJMBR, vol. 14, no. A10, pp. 51–63, Dec. 2014, Accessed: Sep. 02, 2026. [Online]. Available: https://journalofbusiness.org/index.php/GJMBR/article/view/100748