Astuti, Miguna, and Rosali Sembiring. “Marketing Performance of MSME 4.0 Amidst COVID-19 Transition: Marketing Mix, E-CRM and Risk Perception”. Jurnal Organisasi Dan Manajemen, vol. 20, no. 1, June 2024, pp. 51-64, doi:10.33830/jom.v20i1.6127.2024.