Singh, V. L. ., Manrai , A. K. and Manrai, . L. A. (2015) “Sales training: A state of the art and contemporary review”, Journal of Economics, Finance and Administrative Science, 20(38), pp. 54–71. Available at: https://revistas.esan.edu.pe/index.php/jefas/article/view/179 (Accessed: 29 March 2024).