Putra, Ramadhan Maulana, and Intan Primadini. “Covid-19 and Cinemas: The Importance of Creating the Engagement With Customers through Social Media”. Ultimacomm: Jurnal Ilmu Komunikasi, vol. 13, no. 1, June 2021, pp. 82-92, doi:10.31937/ultimacomm.v13i1.1994.