Kasum, A. S., Sanni , A. K. and Fagbemi, T. O. (2019) “Tax Revenue Generation by Nigerian States-An Empirical Study of Self-Assessment and Tax-Collection Contracting Systems in Kwara State”, Global Journal of Accounting, 5(1), pp. 27-36. Available at: http://ihafa.unilag.edu.ng/index.php/gja/article/view/458 (Accessed: 28February2020).