TY  - BOOK
AU  - Rode,A.A, x
AU  - Kovalev,R.V.
TI  - System of research methods in Soil Science: x
SN  - x
U1  - 300.72/R687s 
PY  - 1974///
CY  - New Delhi,Bombay
PB  - Amerind Pub.
KW  - Social Sciences-Research
N1  - x
ER  -