Evaluation back-of-the-book indexes of Persian books with subject of fisheries in central library of Islamic Azad University, Lahijan branch (Iran) based on indexing international standards ISO 999

The study profiles Persian books final back of fisheries publication different years in central library of Islamic Azad University, Lahijan branch. The aim of this study is quality and quantity investigation of final back of books about fisheries in central library of Islamic Azad University; Lahijan branch. ISO 999 international standard evaluation criteria for the final back of the book, including 17 factors which is prepared from these factors and the data were collected. Spss software was used in statistical analysis.Books including final back is 7.21% toward to titles in studying society. Alphabetical order and place have most frequency 100% and primary note, entry structure 3-level, 4-level, describer, range note have least frequency 0.00%. Research assumption is confirmed based on research finding and use of statistical analysis. That is all fishery books including index, havenʹt respected on more than 80% of mentioned criteria.