Nabila Abdus Salaam, and Shaheen Kausar. “Retrospective Review on Oral Delivery of Proteins and Peptide: Barriers, Strategies and Clinical Applications”. Journal of Contemporary Pharmacy, vol. 9, no. 1, June 2025, pp. 48-56, https://ammanif.com/journal/jcp/index.php/home/article/view/483.