V. V. Shah, R. A. Prajapati, S. P. Shah, S. R. Patel, and H. P. Patel, “A Comprehensive Review on Edible Vaccine”, J. Drug Delivery Ther., vol. 12, no. 2-S, pp. 192–201, Apr. 2022, doi: 10.22270/jddt.v12i2-S.5293.