Service and Product Quality terhadap Keputusan Customer Membuka Simpanan Umroh di BMT Sunan Drajat Pusat (Studi BMT Sunan Drajat Pusat). Al-Muzdahir : Jurnal Ekonomi Syariah, [S. l.], v. 1, n. 2, p. 116–129, 2019. DOI: 10.55352/ekis.v1i2.372. Disponível em: https://ejournal.unsuda.ac.id/index.php/ekis/article/view/372. Acesso em: 14 jun. 2026.