Simanjuntak, Menara. “Peningkatan Perilaku Profesionalisme Pekerja Menghadapi Tantangan Globalisasi Pada Abad 21”. Binus Business Review 1, no. 2 (November 30, 2010): 319-331. Accessed February 23, 2025. https://journal.binus.ac.id/index.php/BBR/article/view/1078.