Harun, Paulina. “Structure Changes, the Contribution of Sectors, Income Per Capita Indonesia in 1990 – 2014”. Journal of Economics, Business, and Accountancy Ventura 19, no. 3 (March 10, 2017): 293–304. Accessed October 8, 2025. http://journal.perbanas.ac.id/index.php/jebav/article/view/758.