Singh และ Gyan. (1997) Factors affecting acceptance of health card program among people in Suphanburi province, Thailand. Mahidol University,:ม.ป.ท.Singh และ Gyan. 1997. Factors affecting acceptance of health card program among people in Suphanburi province, Thailand. ม.ป.ท.:Mahidol University,;Singh และ Gyan. Factors affecting acceptance of health card program among people in Suphanburi province, Thailand. ม.ป.ท.:Mahidol University, 1997. Print.