KARTIKA, Neng Evi. Optimalisasi Penyerapan Zakat Melalui Konsep Islamic Marketing. Improvement: Jurnal Manajemen dan Bisnis, [S. l.], v. 1, n. 2, p. 136–142, 2021. DOI: 10.30651/imp.v1i2.10323. Disponível em: https://journal.um-surabaya.ac.id/improvement/article/view/10323. Acesso em: 30 sep. 2026.