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If you 100% sure.... So please give right answers......
PREserved Context Indexing System (PRECIS) |
in | 1968 ya 1974 |
Postulate Based Permuted Subject Indexing (POPSI) |
in |
1964 ya 1979 |
Chain Indexing |
in 1934 ya 1938 |
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chain indexing 1938
precis-1974
PRESIS-1974
POPSI-1964
CHAIN INDEXING-1938
popsi-1964
Dear, PRECISE-1974, POPSI-1979
PREserved Context Indexing System. Derik Austin. 1968
Postulate Based Permuted Subject Indexing (POPSI) 1979
Chain Indexing in Dr. S.R. Rangnathan. 1934
Chain Indexing or chain procedure is a mechanical method to derive subject index entries or subject headings from the Class Number of the document. It was developed by Dr. S.R. Ranganathan. He first mentioned this in his book “Theory of Library Catalogue” in 1938.
Ranganathan designed this new method of deriving verbal subject heading in 1934 to provide subject approach to documents through the alphabetical part of a classified catalogue.
http://www.geocities.ws/salman_mlisc/dissertation/chap5.htm
Preserved Context Indexing System (PRECIS) was developed by Derek Austin in 1968
http://www.geocities.ws/salman_mlisc/dissertation/chap5.htm
1964--POPSI by G. Bhattacharya
Thank you all of us for reply my post.................
Chain Indexing - 1934
PRECIS - 1968
POPSI - 1979
This is Right Answer
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