SAIFUDIN; LATHIFATUL AZIZAH. IMPLEMENTASI SHIDDIQ DALAM KUALITAS PELAYANAN ANGGOTA KOPERASI SYARIAH MANFAAT SURABAYA. Ekosiana Jurnal Ekonomi Syari ah, [S. l.], v. 6, n. 2, p. 56–76, 2021. DOI: 10.47077/ekosiana.v6i2.125. Disponível em: https://journal.stainim.ac.id/index.php/ekosiana/article/view/125. Acesso em: 16 may. 2026.