Ahmed, D. ., H. . Ibraheem, M. Al-Mashhadani, E. . Yousif, and M. . Bufaroosha. “Gelatin-Immobilized Cu(II) Metal Complex: Synthesis and Applications”. Trends in Sciences, vol. 21, no. 4, Feb. 2024, p. 7447, doi:10.48048/tis.2024.7447.