@article{article1972,
  title = {Study of improved quantum particle swarm optimization for modeling of wasted surgical mask},
  author = {CHATTARAJ, S. and ISLAM, S.T. and DUTTA, P. and DAS, M.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2026},
  volume = {44},
  pages = {115-126},
  doi = {10.14744/sigma.2026.1972}
}