الشكل الاتصالي المعياري فما 21 : MARC2212 لبيانات التصنيف

الملخص EN

This study details the history and development of MARC21 for Classification Data Format assigned to classification records and its structure including guidelines for content designation defines the codes and conventions (tags, indicators, subfield codes, and coded values) that identify the data elements in MARC classification records, and the feasibility of applying such a standard at libraries' catalogues to ensure validation and standardization of classification numbers assigned to classification records across libraries' catalogues.

This study details the history and development of MARC21 for Classification Data Format assigned to classification records and its structure including guidelines for content designation defines the codes and conventions (tags, indicators, subfield codes, and coded values) that identify the data elements in MARC classification records, and the feasibility of applying such a standard at libraries' catalogues to ensure validation and standardization of classification numbers assigned to classification records across libraries' catalogues.

This study details the history and development of MARC21 for Classification Data.