@article{article590,
  title = {On sufficient conditions for close-to-convexity of order 2−r},
  author = {YILDIZ, Ä. and AKYAR, A. and MERT, O.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2018},
  volume = {9},
  pages = {341-348},
  doi = {}
}