Watchara Wongpanyo และผู้แต่งคนอื่นๆ. (2008) Improving Heat Transfer Performance of Concrete Thermal Energy Storage with Use of Local Material. <i>International Journal of Renewable Energy</i>, <i>Vol. 3</i>(No.2), pp 15-26.Watchara Wongpanyo และผู้แต่งคนอื่นๆ. "Improving Heat Transfer Performance of Concrete Thermal Energy Storage with Use of Local Material". International Journal of Renewable Energy Vol. 3 (2008):pp 15-26.Watchara Wongpanyo และผู้แต่งคนอื่นๆ. Improving Heat Transfer Performance of Concrete Thermal Energy Storage with Use of Local Material. School of Renewable Energy Technology:ม.ป.ท. 2008.