Suman Mondal, Biswajit Sing Sardar, Prosun Mandal, S. P. Samal, Biswanath Doloi, Ranjan Kumar Ghadai. "Hybrid RSM–NSGA-II based multi-objective optimization of electrical discharge machining of AISI D2 steel." PLoS ONE, 2026. doi:10.1371/journal.pone.0350415