Yuda Havid Yudistira and Nela , W. 2022. The Role of Communication and Mass Media in the Diffusion Process of the Covid-19 Vaccination Program Innovation. Kanal: Jurnal Ilmu Komunikasi. 10, 2 (Mar. 2022), 45-50. DOI:https://doi.org/10.21070/kanal.v10i2.1668.