engert, m. creator text ua cairo the institute of national planning 1964 monographic eng 19 p. ؛ 27 cm. This memo. discusses, in a general way, some aspects of the structure of industry. it is essential in development planning to pay spacial attention to this issue in order to be able to solve the problem of balanced growth. specialized m. engert ; the institute of national planning. industry. problems of industry. Industrial Planning. 338.9 م.ذ 409 EG-INP 180122 20260514142243.0 ara