@article { author = {Davoodi, By: M.}, title = {An Introduction to the Theoretical Aspects of Classification}, journal = {Librarianship and Information Organization Studies}, volume = {2}, number = {شماره 1، 2، 3، و 4}, pages = {271-301}, year = {1992}, publisher = {National Library and Archives of Islamic Republic of Iran}, issn = {2783-4646}, eissn = {2783-4646}, doi = {}, abstract = {}, keywords = {}, title_fa = {مقدمه‌ای بر جنبه‌های نظری رده‌بندی}, abstract_fa = {}, keywords_fa = {}, url = {https://nastinfo.nlai.ir/article_1377.html}, eprint = {https://nastinfo.nlai.ir/article_1377_cb587face0407709609a9e3aa855292e.pdf} }