Hofifah, Siti. 2020. “Pengaruh Jual Beli Online Dan Jual Beli Di Pasar Terhadap Persaingan Pemasaran Islam Masa Pandemi”. Journal of Islamic Banking 1 (2), 212-35. https://www.journal.uaindonesia.ac.id/index.php/JIB/article/view/149.