Lapian, Irene M., et al. “Dampak Budaya Organisasi Terhadap Kualitas Layanan Karyawan PT. Bank SulutGo Cabang Bitung”. Productivity, vol. 1, no. 3, July 2020, pp. 241-5, https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/29711.