Riswandi, N. R., F. Firdaus, N. Nurhayati, and S. A. . Syafaq. “Contribution of Assurance and Responsiveness to Purchase Decisions: The Significance of Relationship Quality As an Intervening Variable”. International Journal of Economics Development Research (IJEDR), vol. 5, no. 5, Nov. 2024, pp. 3901-16, doi:10.37385/ijedr.v5i4.6311.