Widiyarini, Widiyarini. “Pengaruh Shift Kerja, Terapi Musik, Dan Motivasi Terhadap Beban Kerja Karyawan PT. TOA-GALVA Industries”. Jurnal Optimasi Sistem Industri 17, no. 2 (October 30, 2018): 198–207. Accessed May 4, 2024. https://josi.ft.unand.ac.id/index.php/josi/article/view/230.