Riyanto, Agung, and Siti Istikhoroh. 2026. “The Role of Coretax System in Increasing the Influence of Tax Knowledge on the Quality of VAT Period Tax Return Information Through Taxpayer Compliance”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) 9 (1), 3201-19. https://doi.org/10.31538/iijse.v9i1.9590.