MUHAMMAD AZIZUL HAKIM. Analisis Praktek Jual Beli Dengan Free Tester Di Kecamatan Parenggean Kabupaten Kotawaringin Timur Dalam Perspektif Hukum Ekonomi Syariah. Indonesian Journal of Islamic Jurisprudence, Economic and Legal Theory, [S. l.], v. 4, n. 2, p. 2671–2679, 2026. DOI: 10.62976/ijijel.v4i2.1933. Disponível em: https://www.shariajournal.com/index.php/IJIJEL/article/view/1933. Acesso em: 25 jun. 2026.