ความรู้แปลก ๆ

http://roch.clubdara.com/topic.php?topic=3245

http://www.medchula.com/question.asp?class=58&gid=1175

http://board.palungjit.com/f6/%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B8%B9%E0%B9%89%E0%B9%81%E0%B8%9B%E0%B8%A5%E0%B8%81%E0%B9%86%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%A3%E0%B8%B2%E0%B8%9A%E0%B8%B2%E0%B8%87%E0%B8%84%E0%B8%99%E0%B8%AD%E0%B8%B2%E0%B8%88%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B8%A3%E0%B8%B9%E0%B9%89-199696.html

http://www.suriyothai.ac.th/node/369