Diaz, J., Lorenzo, R. ., Mag-aso, C., & Akilan, B. S. (2023). Factors Influencing Customer Loyalty Among Optical Clinics in The City of Koronadal, South Cotabato, Philippines. Journal of Applied Management and Business, 4(2), 80–92. https://doi.org/10.37802/jamb.v4i2.434