Divya Punj, Narendra Singh Bohra, Chandan Vichoray,. “Service Quality in Pharmaceutical Industry: A Quantitative Study of Determining Parameters”. European Economic Letters (EEL) 13, no. 3 (April 13, 2023): 64–68. Accessed January 24, 2025. https://www.eelet.org.uk/index.php/journal/article/view/209.