J. Nwaedozie, Z. E. Tersur, F. K. Musa, A. E. Usanga, and T. O. Amusan, “PHOSPHORYLATION AND CHARACTERIZATION OF LIGNIN AND ITS APPLICATION ON MILITARY UNIFORM AS A FLAME RETARDANT”, Int. J. Renew. Energ & Environ, vol. 4, no. 1, pp. 367–378, Mar. 2026, doi: 10.5281/zenodo.19382971.