el tigi, A.S.A. towards a system for determining industrial development priorities / A.S.A. el tigi. - cairo : the institute of national planning, 1965. - 22 p. ; 27 cm. included in volume. - External Notes ؛ 545. . Subjects--Index Terms: industry. industry development. management. Dewey Class. No.: 338.9 / م.ذ 545