Laddawan Inthajakra; Apipa Prachyapruit; Supang Chantavanich. (2016) The Emergence of Communication Intellectual History in Sukhothai and Ayutthaya Kingdom of Thailand. <i>Social Science Asia</i>, <i>2</i>(4 (Octber)), 32-41.Laddawan Inthajakra; Apipa Prachyapruit; Supang Chantavanich. "The Emergence of Communication Intellectual History in Sukhothai and Ayutthaya Kingdom of Thailand". Social Science Asia 2 (2016):32-41.Laddawan Inthajakra; Apipa Prachyapruit; Supang Chantavanich. The Emergence of Communication Intellectual History in Sukhothai and Ayutthaya Kingdom of Thailand. National Research Council of Thailand:ม.ป.ท. 2016.