Irma Oktafianti Department of Organizational Industrial Psychology, Faculty of Psychology
University of Sumatera Utara
North Sumatera, Indonesia
Emmy Mariatin Department of Organizational Industrial Psychology, Faculty of Psychology
University of Sumatera Utara
North Sumatera, Indonesia
Eka Danta Jaya Ginting Department of Organizational Industrial Psychology, Faculty of Psychology
University of Sumatera Utara
North Sumatera, Indonesia