Ssegujja, Brian Investigation of the performance of greenhouse effect solar coffee d ryer subjected to loading densities 60, 70 and 80kg/m / Brian Ssegu jja - 2007 - ix, 61 p. : ill., col. ; 30 cm. Dissertation (B.Sc., Agric. Eng.) - Makerere University, 2007 Includes bibliographical references (p.45-46) Subjects--Topical Terms: Greenhouses-- Climate.Solar dryers.Solar energy in agriculture. Dewey Class. No.: 631.583