MLA
Kamini, N. R. "Microbial Enzyme Technology as an Alternative to Conventional Chemicals in Leather Industry." Indian Academy of Sciences. Web. 29 Mar. 2011. <http://www.ias.ac.in/currsci/jul10/articles16.htm>.
"Enzymes for Leather." Maps Enzymes Limited. Web. 29 Mar. 2011. <http://www.mapsenzymes.com/Enzymes_Leather.asp>.
Wang, Yong. "ENZYMATIC TREATMENT FOR THE LEATHER PROCESS." SumoBrain. Web. 29 Mar. 2011. <http://www.sumobrain.com/patents/wipo/Enzymatic-treatment-leather-process/WO2010043709.html>.
"Enzymes for Leather." Maps Enzymes Limited. Web. 29 Mar. 2011. <http://www.mapsenzymes.com/Enzymes_Leather.asp>.
Wang, Yong. "ENZYMATIC TREATMENT FOR THE LEATHER PROCESS." SumoBrain. Web. 29 Mar. 2011. <http://www.sumobrain.com/patents/wipo/Enzymatic-treatment-leather-process/WO2010043709.html>.