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SL 338.43
COS
Cost cultivation of agricultural crops - 1991/92 Maha
1993
Peradeniya
Department of Agriculture
30 cm
59p.
52
Agricultural economics study
1
Agricultural economics
Agriculture
Sri Lanka
1
1
MG
udc
2614
2614
0
0
0
0
SL
LIPS
LIPS
RSL
1997-12-11
0.00
5
SL 338.43 COS
1355
2015-09-23
2015-09-01
MG