000 00428nam a2200133 4500
003 OSt
082 _a630.717 SIN - R
100 _aSingh, K. N. | Rao, C. S. | Sahay, B. N.
245 _aResearch in Extension Education for Accelerating Development Process
250 _a1st
260 _aNew Delhi
_bIndian Society of Extension Education, Indian Agricultural Research Institute.
_c1970
300 _a496
942 _2ddc
_cBK
999 _c137684
_d137684