Swapnil M. Bhand, and Virendra Y.Yadav. “Review on Herbal Plants As an Effective Cough Treatment”. World Journal of Pharmaceutical Sciences 8, no. 7 (July 1, 2020): 23–37. Accessed June 27, 2025. https://www.wjpsonline.com/index.php/wjps/article/view/178.