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1500117: ภาษาอังกฤษสำหรับวิทยาศาสตร์ 1/ English for Science 1 1500118: ภาษาอังกฤษสำหรับวิทยาศาสตร์ 2/ English for Science 2 4061101: วิทยาศาสตร์สิ่งแวดล้อม/Environmental Science
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http://pws.npru.ac.th/surattana/data/files/ecology(1).ppt