4.1 questionnaire about the general

4.1 questionnaire about the general information of the students.

4.2 questionnaire about the behavior of solid waste of the students.


พฤติกรรมการทิ้งขยะของนักศึกษา

ผลลัพธ์ (อังกฤษ) 1:

4.1 questionnaire about the general information of the students.4.2 questionnaire about the behavior of solid waste of the students.Littering behaviour of students.

ผลลัพธ์ (อังกฤษ) 2:

About 4.1 questionnaire the general information of the students.

About the questionnaire 4.2 Solid waste of the behavior of students.


Student behavior litter.

ผลลัพธ์ (อังกฤษ) 3:

4.1 questionnaire about the general information of the students.4.2 questionnaire about the behavior of solid waste of the students.The behavior of waste of the students.