Kovalik, M.
(1998).
 Skills Of An Effective Communicator.
<em>Forum Manajemen, 12</em>(67), 21-24.
Retrieved from <a href="https://journal.prasetiyamulya.ac.id/journal/index.php/FM/article/view/200" target="_new">https://journal.prasetiyamulya.ac.id/journal/index.php/FM/article/view/200</a>