Khoirudin, R. (2017) “DETERMINAN KEBAHAGIAAN PEMULUNG (STUDI KASUS DI TEMPAT PEMBUANGAN SAMPAH TERPADU PIYUNGAN)”, I-ECONOMICS: A Research Journal on Islamic Economics, 3(1), pp. 38–50. Available at: https://jurnal.radenfatah.ac.id/index.php/ieconomics/article/view/1518 (Accessed: 4 April 2025).