000 00375nam a2200109 4500
245 _aAudio-visual aids for cooperative education and training
_c C.N. Botham
100 _aBotham, C.N.
260 _aRome
_bFood and Agriculture Organization of the United Nations
_c1975
300 _ax,98p.; 23cm. --
490 _aFAO Agricultural development paper, no.86
082 _a591.5
_bBOT
999 _c19751
_d19751