Kusmanto, Widji Astuti, and Harsono. 2022. “The Influence of Service Quality, Competence, Innovation and Competitive Advantage on Marketing Performance”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 8 (8):11-22. https://doi.org/10.31695/IJASRE.2022.8.8.2.