Silapanuntakul, S., 		Ninkranjanakun, N., 		Inthorn, D., & 		Pandii, W.
(2016).
 Use of appropriate ratio of scum mixed with coffee residue  as briquette derived fuel.
<em>Naresuan University Journal: Science And Technology (NUJST), 23</em>(3), 98-108.
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