ชัยยุทธ ชิโนกุล. (1993) A study of the production and marketing potential of Thai fruit : longan. National Institute of Development Administration:ม.ป.ท.ชัยยุทธ ชิโนกุล. 1993. A study of the production and marketing potential of Thai fruit : longan. ม.ป.ท.:National Institute of Development Administration;ชัยยุทธ ชิโนกุล. A study of the production and marketing potential of Thai fruit : longan. ม.ป.ท.:National Institute of Development Administration, 1993. Print.