HARYADI, I.; SHODIQ, F. Marketing Mix Kantin Parklatz Unit Usaha Universitas Darussalam Gontor dalam Meningkatkan Minat Konsumen (Ditinjau dari Perspektif Islam). Journal of Islamic Economics and Philanthropy, [S. l.], v. 4, n. 1, 2022. DOI: 10.21111/jiep.v4i03.6575. Disponível em: https://ejournal.unida.gontor.ac.id/index.php/JIEP/article/view/6575. Acesso em: 6 dec. 2025.