Rindang Nirmala Trisnaningsih, Umu Khouroh, and Tanto Gatot Sumarsono. “Clean-Nutrition, Care-Green Marketing, Commit-Loyalty Program: 3C Strategy As a Driver of Customer Satisfaction and Loyalty ”. Jurnal Bisnis dan Manajemen 12, no. 2 (November 25, 2025): 193 – 204. Accessed July 26, 2026. https://jurnal.unmer.ac.id/index.php/jbm/article/view/15891.