Hasanah, Anisa Nurul, and Dasrun Hidayat. “TREIS COFFEE SHOP DALAM MEMBANGUN CUSTOMER ENGAGEMENT DI MASA PANDEMI COVID-19”. Journal of Digital Communication and Design (JDCODE), vol. 1, no. 1, Feb. 2022, pp. 47-53, https://ejurnal.ars.ac.id/index.php/jdcode/article/view/716.