Chookait Pudprommarat, Winai Bodhisuwan and Panlop Zeephongsekul
Journal of Applied Sciences 12 ( 17 ): 1853 - 1858 , 2012
Sirithip Wasinrat, Winai Bodhisuwan, Panlop Zeephongsekul and Ampai Thongtheeraparp
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