seyalaivu dinesh 22
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: / 8 PISMP PT/PJ/SN 920414-07-5099
,
-
.
.
-
.
-
.
,. (2007),:250
2007,:203
, .
. :288 .
.&,
2006,:16
, .
.
-
.
?
-
1 4
-
:
:
:
1. 2. 3. 4.
& 1988
-
(%)
(%)
&
(%)
1. R1 15 90 +75
2. R2 20 100 +80
3. R3 10 100 +90
4. R4 10 100 +90
5. R5 10 90 +80
&
0%
20%
40%
60%
80%
100%
R1 R2 R3 R4 R5
&
R=
-
&
( & )
( : , , , 2006)
-
1
( 1)
2
( 2)
3
( 3)
4
( 4)
1
R1 60% 80% 90% 90%
2
R2 50% 80% 90% 100%
3
R3 50% 60% 70% 100%
4
R4 50% 60% 70% 100%
5 R5 40% 70% 90% 90%
-
: ( ..2005)
1 2 3 4
1.
.
2
3
5
5
2.
.
2
2
4
5
3.
.
-
2
4
5
-
(10%-20%) . (90%-100%) .
.
-
?
.
-
.!!!
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