Farras Hanif Prabowo, Hery Winoto Tj, Rini Wijayaningsih, Aini Kusniawati, Surachman Surjaatmadja. “Marketing Strategy of Event Organizer During the Covid-19 Pandemic”. CEMJP, vol. 30, no. 4, Sept. 2022, pp. 14-22, http://journals.kozminski.cem-j.org/index.php/pl_cemj/article/view/2.