Narabhatra Sangmanacharoen และผู้แต่งคนอื่นๆ. (2017) Increasing profit by rice export reduction among union members. Chulalongkorn University:ม.ป.ท.Narabhatra Sangmanacharoen และผู้แต่งคนอื่นๆ. 2017. Increasing profit by rice export reduction among union members. ม.ป.ท.:Chulalongkorn University;Narabhatra Sangmanacharoen และผู้แต่งคนอื่นๆ. Increasing profit by rice export reduction among union members. ม.ป.ท.:Chulalongkorn University, 2017. Print.