[1]
Gifar, F., Hartoyo, H. and Taryana, A. 2026. Analysis of Service Quality on Competitiveness Improvement Strategies in XYZ Tutoring. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE). 9, 1 (Jan. 2026), 2068-2081. DOI:https://doi.org/10.31538/iijse.v9i1.9148.