Chindalath Phommanilath และ Thasanee Satimanon. (2016) The impact of contract farming on income: a case study of northern Laos. National Institute of Development Administration:ม.ป.ท.Chindalath Phommanilath และ Thasanee Satimanon. 2016. The impact of contract farming on income: a case study of northern Laos. ม.ป.ท.:National Institute of Development Administration;Chindalath Phommanilath และ Thasanee Satimanon. The impact of contract farming on income: a case study of northern Laos. ม.ป.ท.:National Institute of Development Administration, 2016. Print.