A. S. Suresh, and Elton Joven D’Souza. “Factors of Efficient Distribution Channel and Its Impact on Channel Superior Performance: Evidence from the Indian Pharmaceutical Industry”. International Journal of Management Studies (IJMS), vol. 6, no. 1(6), Oct. 2021, pp. 23-36, https://www.researchersworld.com/index.php/ijms/article/view/1319.