Ratnasari, I., Peni Indarwati, and Hamzah Pujiono. “PENGARUH SELF EFFICASY DAN REWARD TERHADAP KINERJA KARYAWAN NUSANTARA OPTIK”. Journal of Innovation Research and Knowledge, vol. 4, no. 3, Aug. 2024, pp. 1413-22, https://mail.bajangjournal.com/index.php/JIRK/article/view/8275.