Amina Mustafa Yousi Darweesh . A study of some variables affecting froth flotation process . [[Thesis] /] Amina Mustafa Yousi Darweesh . - faculty of engineering, 1989. - 103 p : ill ; 30 cm. includes summary in arabic. Thesis (M.S ) -- Kuwait university, 1989. includes bibliogrphic referance (97-102). All age. Subjects--Topical Terms: chemical engineering . Dewey Class. No.: 660 National Library of Medicine Call No.: / DS