000			nam a22 7a 4500
999			_c11512 _d11512
005			20240322140348.0
008			240322b xxu||||| |||| 00| 0 eng d
040			_aSLIDA _cSLIDA _dSLIDA
041			_aeng
082			_aX631.58637:62 _bARG
245			_aFarmers' Knowledge and Perception of Improved Technology: _bA Study of Five Farming Systems / _hEnglish.
260			_aColombo: _bAgrarian Research and Training Institute / _c1980.
300			_a83 p.: _bill. tables ; _c30cm.
942			_2ddc _cLEN