This research is part of the Department i30201 independent study1 (is1) grade 4/1 2nd Semester Academic Year 2555 under the patronage of the Ayutthaya school
This research is a part of academic I 30201 Independent Study 1 (IS 1) Mathayom 4 / 1 sessions at 2 years of school education 2555 Si Ayutthaya in the groceries, etc.