Jakaria, Ribangun Bamban, and Boy Isma Putra. “Buku Ajar Mata Kuliah Psikologi Industri”. Umsida Press (August 20, 2021): 1-119. Accessed April 29, 2024. https://press.umsida.ac.id/index.php/umsidapress/article/view/978-623-6933-39-1.