Chadhar, Vishal, Ashish Kumar Parashar, Balak Das Kurmi, Preeti Patel, Ganshyam Das Gupta, and Saurabh Bhargav. 2014. “A Review on Novel Delivery Vehicles for Vaccines Development”. Current Research in Pharmaceutical Sciences 4 (1), 1-7. https://www.crpsonline.com/index.php/crps/article/view/114.