Winanto, Asis Riat. “INVESTMENT, LABOR AND THEIR EFFECTS ON ECONOMIC GROWTH OF PONOROGO REGENCY”. Ekuilibrium : Jurnal Ilmiah Bidang Ilmu Ekonomi 14, no. 1 (March 22, 2019): 68–83. Accessed May 6, 2026. https://journal.umpo.ac.id/index.php/ekuilibrium/article/view/1510.