Jitsopin Merakate และ Thanwa Jitsanguan. (2010) Relationship between leisure time allocation under the sufficiency economy philosophy and family functions :|ba case study of selected adolescent groups. Kasetsart University,:ม.ป.ท.Jitsopin Merakate และ Thanwa Jitsanguan. 2010. Relationship between leisure time allocation under the sufficiency economy philosophy and family functions :|ba case study of selected adolescent groups. ม.ป.ท.:Kasetsart University,;Jitsopin Merakate และ Thanwa Jitsanguan. Relationship between leisure time allocation under the sufficiency economy philosophy and family functions :|ba case study of selected adolescent groups. ม.ป.ท.:Kasetsart University, 2010. Print.