000
00307nam a2200121Ia 4500
082
_a
631.34/CHA
245
_a
Changing pattern of rice production systems and technology in Assam
260
_b
NCAEP
_a
New Delhi
_c
2005
300
_a
81
650
_a
Rice Production Systems
901
_a
G22
942
_2
ddc
_c
GBK
999
_c
4340
_d
4340