Luna, Rommel M., and John Mark S. Distor. “The Interplay of Green Logistics, E-Commerce, and Smart Technologies on Firm Competitiveness: A Multi-Mediation Analysis of Operational Efficiency, and Customer Retention”. International Journal of Sustainable and Integrated Studies, vol. 1, no. 2, Sept. 2026, pp. 182-98, https://doi.org/10.65339/ijsis.V1.I2.73.