HASIBUAN, R.; AROZANOLO HAREFA; THERESIA WINAR SARI ERNAWATI DUHA; YUSUF ZAGOTO; REFIKA SRIWIDAWATI SIMANULLANG; BENIDAR HARTATI ZAMASI. THE EFFECT OF TAX KNOWLEDGE, TAX RATES, TAX INCENTIVES, AND TAX SANCTIONS ON MSME TAXPAYER COMPLIANCE: A CASE STUDY IN MEDAN HELVETIA DISTRICT. Accounting Profession Journal (APAJI), v. 8, n. 1, p. 174-183, 31 Jan. 2026.