000 00272nam a22001217a 4500
003 OSt
100 _aTyagi, Gursarandas
245 _aNaagrikshashtra Shikshan ka Pranali Vigyan
260 _aNew Delhi
_bAPH
_c2013
300 _a382p.
901 _a5739BED
942 _2ddc
_cBK
999 _c37226
_d37226