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? A4
http://www.school.net.th/library/c –
reateweb/10000/technology/1000
0-7353.html
http://th.wikipedia.org/wiki/%E0
%B9%80%E0%B8%8A%E0%B8
%B7%E0%B9%89%E0%B8%AD
%E0%B9%80%E0%B8%9E%E0
%B8%A5%E0%B8%B4%E0%B8

2. %87
http://mte.kmutt.ac.th/elearning/
Combution_and_Cogeneration/co
ntent/content1_1_1.htm
3.
http://www.trueplookpanya.com/
true/knowledge_detail.php?mul_c
ontent_id=1423
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