Kusmanto, Widji Astuti, & 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