Submitted by webmaster on Wed, 01/03/2018 - 17:13 Document Upload: 4.1_PPT_Mr. Wannakiat.pdf 4.2_PPT_Ms. Orrasa Rattanaamornpirom_Technology Map of Thailand 4.pdf 4.3_PPT_Asst.Prof_.Weerah Wongkham, Ph.D._ Eng WWongkham.pdf 4.4_PPT_Narongsak Boonyamalik.pdf Assoc. Prof. Zhao Shulan.pdf Observation and analysis on obstacles to the Sino-Thai.pdf