Cahyono, Hendry, Waspodo Tjipto Subroto, and Khoirul Anwar. “Income Disparity in Gerbangkertosusila Area of East Java Indonesia”. International Journal of Economics and Financial Issues 7, no. 1 (January 13, 2017): 14–18. Accessed December 31, 2024. https://econjournals.com./index.php/ijefi/article/view/2868.