Damai Yanti, Febby Ayu, and Dwi Maharani. 2022. “Opi Mall Marketing Communication Efforts to Increase the Number of Visitors During the Covid-19 Pandemic in 2021”. Devotion : Journal of Research and Community Service 3 (11):1.078-1.083. https://doi.org/10.36418/dev.v3i11.214.