Siriluck Pengnam และผู้แต่งคนอื่นๆ. (2013) STUDY OF ENVIRONMENTAL INDICATORS TO MONITOR SUSTAINABLE HIGHLAND AGRICULTURE : A CASE STUDY OF THE ANGKHANG ROYAL AGRICULTURAL STATION, DOI ANGKHANG, CHIANG MAI PROVINCE, THAILAND. Chulalongkorn University:ม.ป.ท.Siriluck Pengnam และผู้แต่งคนอื่นๆ. 2013. STUDY OF ENVIRONMENTAL INDICATORS TO MONITOR SUSTAINABLE HIGHLAND AGRICULTURE : A CASE STUDY OF THE ANGKHANG ROYAL AGRICULTURAL STATION, DOI ANGKHANG, CHIANG MAI PROVINCE, THAILAND. ม.ป.ท.:Chulalongkorn University;Siriluck Pengnam และผู้แต่งคนอื่นๆ. STUDY OF ENVIRONMENTAL INDICATORS TO MONITOR SUSTAINABLE HIGHLAND AGRICULTURE : A CASE STUDY OF THE ANGKHANG ROYAL AGRICULTURAL STATION, DOI ANGKHANG, CHIANG MAI PROVINCE, THAILAND. ม.ป.ท.:Chulalongkorn University, 2013. Print.