Soleimaninanadegani, Mohammadreza, 		Madihah, M, AND 		Ang, S.
" Factors affecting cellulase production by Aspergillus fumigatus SK1 from solid state fermentation of oil palm empty fruit bunches using application of 2-level factorial design" <em>Bulletin of Environmental and Scientific Research</em> [Online], Volume 3 Number 2-3 (24 July 2014)