000 00298nam a2200109Ia 4500
245 _aAgricultural demonstration and extension communication
_cRam Krishan
260 _aBombay
_bAsia
_c1965
300 _axv, 260p.:ill.
082 _a630.717
_bR173A
500 _aIncludes index
100 _aRam Krishan
_d
999 _c31954
_d31954