WANGKO, B. L. MANFAAT BLACKBERRY BAGI WARTAWAN TRIBUN MANADO. ACTA DIURNA KOMUNIKASI, [S. l.], v. 2, n. 4, 2013. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/actadiurnakomunikasi/article/view/2877. Acesso em: 28 apr. 2024.