000 00326nam a2200133Ia 4500
008 160316s1972 xxu||||| |||| 00| 0 eng d
020 _a
100 _aP. R. R. Sinha
245 _aStudies In Extension Education
250 _a1st
260 _aHYDARABAD
_bNATIONAL INST. OF COMM. DEVEL.
_c1972
300 _a151
700 _a
_a
999 _c34443
_d34443