Mushi , Ngesa E. “Cellulose-Keratin Supramolecular Composite: Conformation by Combined Fourier Transform Spectroscopy and Partial Least Square Regression Coefficient”. Tanzania Journal of Engineering and Technology, vol. 42, no. 1, Sept. 2025, pp. 228-39, https://journals.udsm.ac.tz/index.php/tjet/article/view/9165.