Paween Panyaphol และ Sura Pattanakiat. (2012) Appropriate linkage for drainage retention area in Lam Takhong watershed, Nakhon Ratchasima province, Thailand. Mahidol University:ม.ป.ท.Paween Panyaphol และ Sura Pattanakiat. 2012. Appropriate linkage for drainage retention area in Lam Takhong watershed, Nakhon Ratchasima province, Thailand. ม.ป.ท.:Mahidol University;Paween Panyaphol และ Sura Pattanakiat. Appropriate linkage for drainage retention area in Lam Takhong watershed, Nakhon Ratchasima province, Thailand. ม.ป.ท.:Mahidol University, 2012. Print.