@article{article1983,
  title = {Improved error limits for numerical integration via some perturbed trapezoidal inequalities},
  author = {DÖNMEZ DEMİR, D. and ŞANAL, G.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2026},
  volume = {44},
  pages = {309-317},
  doi = {10.14744/sigma.2026.1983}
}