YUDA HAVID YUDISTIRA; NELA , Widiastuti. The Role of Communication and Mass Media in the Diffusion Process of the Covid-19 Vaccination Program Innovation: Peranan Komunikasi Dan Media Massa Dalam Proses Difusi Inovasi Program Vaksinasi Covid-19. Kanal: Jurnal Ilmu Komunikasi, [S. l.], v. 10, n. 2, p. 45–50, 2022. DOI: 10.21070/kanal.v10i2.1668. Disponível em: https://kanal.umsida.ac.id/index.php/kanal/article/view/1668. Acesso em: 9 sep. 2025.