000 00423nam a2200169Ia 4500
008 160330s1990 xxu||||| |||| 00| 0 eng d
020 _a
041 _aEnglish
082 _a020
_bIND
100 _aIndira Gandhi Uni.
245 _aBiblographyandreference Source. 2
250 _a1st
260 _aIndira Gandhi National Open University
_c1990
300 _a45p.
_bPaper
650 _aLibrary Science
906 _a5703
999 _c101423
_d101423