Jonrisman Sinaga, Machfud Sidik. Analysis of Increase in Non-Taxable Income (NTI) in relation with Implementation of Equality Principles and Taxation Base Principles. ijtc [Internet]. 2019 Oct. 30 [cited 2026 Mar. 5];1(1):12-7. Available from: https://ilomata.org/index.php/ijtc/article/view/39