Awadh, Mohamed, Nicholaus Ngowi, and Anicet Rwezaula. “Determinants of Tax Productivity Performance in Tanzania: A Time Series Analysis”. Rural Planning Journal 25, no. 1 (July 14, 2023): 112–122. Accessed December 9, 2024. https://journals.irdp.ac.tz/index.php/rpj/article/view/12.