@article{article1367, title = {Self adaptive penalty method coupled with metaheuristic algorithms to optimization of varying geometrical parameters in drilling for multi hole parts}, author = {SREENIVASULU, R. and CHAITANYA, G.}, journal = {Sigma Journal of Engineering and Natural Sciences}, year = {2022}, volume = {40}, pages = {855-867}, doi = {10.14744/sigma.2022.00101} }