Marek Kulczycki, Lech Kurowski, Jan Piotrowski ; [translated by Marek Kulczycki, Zbigniew Hayder]

Central School of Planning and Statistics in Warsaw, Research Institute for Developing Countries 1983 Teaching paper v. 36 , IGKR Trzeci Świat

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Andrzej Budziński, Lech Kurowski ; [edited by Marian Geldner]

Central School of Planning and Statistics in Warsaw, Research Institute for Developing Countries 1980 Teaching paper v. 31 , IGKR Trzeci Świat

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Lech Kurowski

Szkoła Główna Planowania i Statystyki 1976 Wyd. 1 Monografie i opracowania 48

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