Nandy, Mithun, and Brajaballav Pal. “Pharmaceutical Marketing and Product Promotion: A Paradigm Shift in Indian Pharmaceutical Industry (IPI)”. ADHYAYAN: A JOURNAL OF MANAGEMENT SCIENCES 5, no. 02 (December 30, 2015): 27-40. Accessed October 7, 2025. https://smsjournals.com/index.php/Adhyayan/article/view/2026.