Sunita, Destiny, et al. “The Effect of E-Filling Application and Tax Knowledge on Taxpayer Satisfaction (Case Study at PT Sumatra Palm Raya)”. PROCEEDING INTERNATIONAL BUSINESS AND ECONOMICS CONFERENCE (IBEC), vol. 2, no. 1, Dec. 2023, pp. 276-8, doi:10.47663/ibec.v2i1.122.