Muhammad Rashid, Muhammad Hafeez, Maeenuddin, Ahmad Khawar Shahzad , Naveed Wahid. “The Role of Training and Development in Enhancing Employees Performance: Evidence from Sales Force of Pharmaceutical Companies at Shaheed Benazirabad Pakistan.”. International Journal of Advanced Science and Technology, Vol. 29, no. 8s, Apr. 2020, pp. 464 -73, http://sersc.org/journals/index.php/IJAST/article/view/10535.