id	keyword
brj-22407	rice
brj-22407	bioethanol
brj-22407	husk
brj-22407	acid
brj-22407	rice husk
brj-22407	hydrolysis
brj-22407	alcohol
brj-22407	temperature
brj-22407	production
brj-22407	doi
brj-22407	et al
brj-22407	kukwa