Moussa Ibrahim Moussa Mostafa. Optimal economic velocity for drying in a fluidized bed. [[Thesis] /] امثل سرعة اقتصادية للتخفيف في المهد المميع. Moussa Ibrahim Moussa Mostafa. - faculty of engineering, 1983. - 114 p : ill ; 25 cm. includes summary in arabic. Thesis (Ph.D ) -- cairo university, 1983. includes bibliogrphic referance (107-111). All age. Subjects--Topical Terms: chemical engineering . Dewey Class. No.: 660 National Library of Medicine Call No.: 660 / MO