Alara, O.R. et al. 2019. TWO LEVEL FACTORIAL SCREENING OF MICROWAVE-ASSISTED EXTRACTION PARAMETERS FOR THE RECOVERY OF PHENOLIC COMPOUNDS FROM VERNONIA CINEREA LEAF. Journal of Chemical Engineering and Industrial Biotechnology. 5, 1 (Mar. 2019), 16–28. DOI:https://doi.org/10.15282/jceib.v5i1.3887.