Hailu, G., Alemea, M. and Lemessa, F. 2026. Characterization of Flaxseed Mucilage–Based Composite Biofilms Incorporating an Elastin/Collagen Matrix and Croton macrostachyus Leaf Extract for Active Food Packaging. Ethiopian Journal of Science and Sustainable Development. 13, 2 (Aug. 2026), 1-15. DOI:https://doi.org/10.20372/ejssdastu:v13.i2.2026.1098.