(1970). Catalogue of statistical materials of developing countries 1969. Tokyo: Institute of Developing Economies.
Παραπομπή Chicago StyleCatalogue of Statistical Materials of Developing Countries 1969. Tokyo: Institute of Developing Economies, 1970.
Παραπομπή MLACatalogue of Statistical Materials of Developing Countries 1969. Tokyo: Institute of Developing Economies, 1970.
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