See Allo

Hall, John Oliver, author

Problem solving in our American democracy

American Book Company, 1958

Buku Teks

Hall, J. Oliver, author

Problem solving in our America democracy

America Book Company, 1958

Buku Teks

Bossing, Nelson L., author

Solving our problems in a democracy

Laidlaw Brothers, 1956

Buku Teks

Myrdal, Gunnar, 1898-, author

An American dilemma: the Negro problem and modern democracy

Harper & Brothers , 1944

Buku Teks

Robertson, S. Ian, author

Problem solving

Psychology Press, 2001

Buku Teks

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