Ali, M. F., Nomani, M., & Siddiqui, M. T. (2026). Copper Sulphate Saline Etching: An Approach of Nontoxic Printmaking in Contemporary Indian Art. RESEARCH REVIEW International Journal of Multidisciplinary, 11(5), 252-269. https://doi.org/10.31305/rrijm.2026.v11.n05.026