MAYA SARI, D.; ZAINI, M. Analisis Penerapan Total Quality Management Guna Menjaga Mutu Produk pada Usaha Arang Halaban MJA di Kota Samarinda . El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam, [S. l.], v. 7, n. 8, p. 5576–5601, 2026. DOI: 10.47467/elmal.v7i8.13138. Disponível em: https://journal-laaroiba.com/ojs/index.php/elmal/article/view/13138. Acesso em: 4 aug. 2026.