KHOIRUDIN, Rifki. DETERMINAN KEBAHAGIAAN PEMULUNG (STUDI KASUS DI TEMPAT PEMBUANGAN SAMPAH TERPADU PIYUNGAN). I-ECONOMICS: A Research Journal on Islamic Economics, [S. l.], v. 3, n. 1, p. 38–50, 2017. Disponível em: https://jurnal.radenfatah.ac.id/index.php/ieconomics/article/view/1518.. Acesso em: 4 apr. 2025.