Setiawan, R., D. Wibisono, and M. S. Purwanegara. “Defining Event Marketing As Engagement-Driven Marketing Communication”. Gadjah Mada International Journal of Business, Vol. 24, no. 2, June 2022, pp. 151-77, https://jurnal.ugm.ac.id/v3/gamaijb/article/view/15788.