@article { author = {دیسفانی, دکتر محمد نجفی}, title = {-}, journal = {GEOGRAPHICAL RESEARCH QUARTERLY}, volume = {30}, number = {0}, pages = {-}, year = {1992}, publisher = {}, issn = {1026-6836}, eissn = {}, doi = {}, abstract = {-}, keywords = {}, title_fa = {سیستم اطلاعات جغرافیایی(GIS)}, abstract_fa = {}, keywords_fa = {}, url = {https://jrg.ut.ac.ir/article_14164.html}, eprint = {https://jrg.ut.ac.ir/article_14164_21445a013c7863242786650b2c7d8494.pdf} }