000 00296nam a2200121Ia 4500
100 _aRam Krishan
942 _cBK
654 _a
245 _aAgricultural demonstration and extension communication
260 _aLondon
_bAsia Publishing House
_c1965
082 _a630.717
300 _bHb
_axiv,261
999 _c383966
_d383966
041 _aeng