TY  - BOOK
AU  - Dewis,J.
AU  -  Fretas,F.
TI  - Physical and chemical methods of soil and water analysis
SN  -  9251020108
U1  - 631.41 
PY  - 1984///
CY  - New Delhi
PB  - Oxford
KW  - Zoology
KW  - প্রানীবিদ্যা
ER  -