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The Scientific World Journal
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2013
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Article
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Fig 3
/
Research Article
Positive Periodic Solutions of an Epidemic Model with Seasonality
Figure 3
Phase plane of
and
. (a) When the parameter values are
,
, and
,
,
. (b) When the parameter values are
,
, and
,
and
. The value of other parameters can be seen in Table
1
.
(a)
(b)