Gum arabic : next time you lick an envelope flap, think of this

Spurgeon, D.2007-11-132007-11-131998http://hdl.handle.net/10625/20479TextenIDRCRESEARCH PROGRAMMESAGRICULTURAL PRODUCTIONGUM ARABICSENEGALGum arabic : next time you lick an envelope flap, think of thisMedia Article