TY  - BOOK
AU  - Botham C N
TI  - Audio-visual aids for cooperative education and training
T2  - Food And Agriculture Organization, Agricultural Development Paper. 86
U1  - T9(XM):31.1.N6, K7 
PY  - 1967///
CY  - Rome
PB  - Food and Agriculture Organization USA      
KW  - Specific Group - Education
ER  -