TY  - SER
AU  - Munn, D. A.,
TI  - Journal of Agronomic Education Vol-19 (1,2), 20(1)
U1  - 630 
PY  - 1990///-91
CY  - USA
PB  - American Society of Agronomy
KW  - Agriculture. & related technologies
KW  - Agronomic Education
ER  -