@article { author = {Fouladi vanda, Mohammad}, title = {علل افت تحصیلی}, journal = {معرفت 1، تابستان 1370}, volume = {1}, number = {1}, pages = {17-}, year = {1992}, publisher = {Imam Khomeini Educational and Research Institute}, issn = {1023-6015}, eissn = {2980-8383}, doi = {}, abstract = {}, keywords = {}, title_fa = {علل افت تحصیلی}, abstract_fa ={}, keywords_fa = {}, url = {https://marifat.nashriyat.ir/node/5}, eprint = {} }