Kamal, A.A.A. and Mohamad, S. and Mohamad, M. and Wannahari, R. and Sulaiman, A.Z. and Ajit, A. and Lim, J.-W. and Zaudin, N.A.C.
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Extraction of gallic acid from chromolaena sp. Using ultrasound-assisted extraction.
Engineering Journal, 25 (2).
pp. 269-276.
ISSN 01258281