USE OF SYSTEMS OF MODELS IN PLANNING
UNITED NATIONS
USE OF SYSTEMS OF MODELS IN PLANNING SEMINAR ON THE USE OF SYSTEMS OF MODELS IN PLANNING MOSCOW (USSR) 2-11 DECEMBER 1974 - NEW YORK UNITED NATIONS 1975
309.25 UNI
USE OF SYSTEMS OF MODELS IN PLANNING SEMINAR ON THE USE OF SYSTEMS OF MODELS IN PLANNING MOSCOW (USSR) 2-11 DECEMBER 1974 - NEW YORK UNITED NATIONS 1975
309.25 UNI