Saowapak Teerasong และ Duangjai Nacapricha. (2010) Use of the predict-observe-explain teaching sequence for flow-based technique and new development of two flow. Mahidol University:ม.ป.ท.Saowapak Teerasong และ Duangjai Nacapricha. 2010. Use of the predict-observe-explain teaching sequence for flow-based technique and new development of two flow. ม.ป.ท.:Mahidol University;Saowapak Teerasong และ Duangjai Nacapricha. Use of the predict-observe-explain teaching sequence for flow-based technique and new development of two flow. ม.ป.ท.:Mahidol University, 2010. Print.