Article Title,Year,Volume,Issue,Page Range,Author Agricultural products handling: methods of feasibility evaluation,1993,43,2,105-118,Scott Vitamin A deficiency as a public health problem & assessment methods,1992,42,3 Suppl,117S-122S,Underwood Chemical composition and biological quality of defatted hazelnut flour,1989,39,2,200-211,Schneeberger