00529nam a2200145Ia 4500 190328s9999||||xx |||||||||||||| ||und|| NITIL NITIL 21st 338.9 M547P Mennes, Ludovicus Bernardus Marie Planning economic integration among developing countries Ludovicus Bernardus Marie Mennes Rotterdam Universitaire Press Rotterdam 1972 viii, 155p. Developing countries-Economic conditions; Economics-Developing countries BKS 19087 19087 0 0 DDC 0 0 NITIL NITIL 2019-04-02 0 338.9 M547P 121534 2019-04-02 00:00:00 2019-04-02 BKS