KOVALIK, M. David. Skills Of An Effective Communicator. Forum Manajemen, [S.l.], v. 12, n. 67, p. 21-24, dec. 1998. ISSN 2962-5483. Available at: <https://journal.prasetiyamulya.ac.id/journal/index.php/FM/article/view/200>. Date accessed: 23 dec. 2024.