Yonathan Setiawan and Eka Satria Wibawa (2025) “DASAR - DASAR PENGANTAR ILMU EKONOMI”, Yayasan Drestanta Pelita Indonesia. Available at: https://publisher.yayasandpi.or.id/index.php/dpipress/article/view/1668 (Accessed: 13 January 2025).