Nainggolan, Elisabeth, Cecilia, and Sri Rezeki. “Keys to Business Performance: Improving Product Quality and Implementing Total Quality Management in Manufacturing”. Jurnal Manajemen Bisnis Eka Prasetya Penelitian Ilmu Manajemen 10, no. 2 (September 30, 2024): 481-492. Accessed December 16, 2025. https://jurnal.eka-prasetya.ac.id/MBEP/article/view/477.