@article{
  author = {hosseini yazdi, Atieh Sadat, Ahmadian, mina},
  title = {Contently analyzing the experimental science textbooks of primary schools: Based on the types of lesson questions},
  journal = {Research in Curriculum Planning},
  year = {2014},
  volume = {11},
  number = {43},
  pages = {132-147},
  doi = {}
}