Wibowo, Anetta Tizianka, Timotius FCW Sutrisno, and Irantha Hendrika Kenang. “The Role of Soft Total Quality Management Towards Operational Performance at PT Sier”. Jurnal Aplikasi Bisnis dan Manajemen 9, no. 1 (January 31, 2023): 85. Accessed December 24, 2025. https://journal.ipb.ac.id/jabm/article/view/42110.