@article{
  author = {Ramazi, Fereydoon, sheivandi chelecheh, kamran, aminifar, elahe, assareh, Alireza},
  title = {Identifying Attributes of Problem-oriented Math Curriculum at Elementary School with a Qualitative Approach},
  journal = {Curriculum Development and Educational Planning Research},
  year = {2022},
  volume = {12},
  number = {2},
  pages = {167-180},
  doi = {}
}