TY  - BOOK
AU  - SHANER(WW); PHILIPP(P F); SCHMEHL(W.R)
TI  - Reading in Farming Systems Research and Development
SN  - 0-86531-502-7
U1  - 9f:(J)   M1;1 
PY  - 1981///
KW  - Research Methodology
ER  -