338.9104
S121P
           Sachs, Ignacy (Ed.)
               Planning and economic development \ Ignacy Sachs - Warszawa : P W N- Polish Scientific, 1964.
               xi, 259p. - Studies on developing countries/ ed by Czeslaw Bobrowski, Zofia Dobrska and Michal Kalecki; v.1 .
52055
                Subjects: Economic developement-Developing countries; Social planning; Mixed economy.