P. Manalu, W. Kusumastati, and M. Safiq, “THE EFFECT OF ATTITUDE TOWARDS E-TAX SYSTEMS, ADOPTION OF E-TAX SYSTEMS, ISOMORPHIC FORCES, AND TRUST IN TAX AUTHORITY TO TAX COMPLIANCE (CASE STUDY ON SMES LISTED IN KPP PRATAMA MEDAN PETISAH)”, JIP, vol. 2, no. 2, pp. 699-710, Jul. 2021.