000 00326cam a22001097a 4500
008 180718b1957 xxu||||| |||| 00| 0 eng d
082 _aPx54 In2e
245 _aEducation and social services
_cby Plannig commission
260 _aDelhi
_bThe Manager of Publications
_c1957
300 _a143p.
700 _aIndia. Planning Commission
999 _c414095
_d414095