R. M. Luna and J. M. 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”, Int. J. Sustain. Integr. Stud., vol. 1, no. 2, pp. 182–198, Sep. 2026, doi: 10.65339/ijsis.V1.I2.73.