GUMILANG, Goldhi. STRATEGI KOMUNIKASI RADIO HARD ROCK FM SURABAYA DALAM MENGELOLA PROGRAM SIARAN PADA MASA PANDEMI COVID-19. The Commercium, [S. l.], v. 4, n. 2, p. 83–92, 2021. DOI: 10.26740/tc.v4i2.41744. Disponível em: https://ejournal.unesa.ac.id/index.php/Commercium/article/view/41744. Acesso em: 20 aug. 2025.