Halim Fatan Machmud, Salsa Aulia Rossyana, Alyaa Sekar Kemuning, Early Syifa Insani, and Rizqi Amalia, “A Review: Comparison of PEGylation Methods in Efforts to Improve the Bioavailability Profile of Oral Products Based on Insulin, Peptides, and Therapeutic Proteins”, J. Apoteker Indonesia, vol. 2, no. 1, pp. 123–130, Feb. 2025.