A. Mathematical Model
This paper utilizes an integer linear programming to
formulate the mathematical model. The objective function is
to maximize profit which is a difference between a total
return of carbon credit and the total expenses of plantation,
and operration expenses [15],[16]. The objective function
will be expressed as the following.
1) Objective function
1 1 1 1 1 1
( .)
I J K I J K
ijk i ijk i
i j k i j k
Max Z C X a C X b
(1)