> Verlagsreihe
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Science its meaning and method Cemal Yıldırım
Ankara: Middle East Technical Univ., 1971
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Symbolic logic 2 Teo Grünberg
Ankara, 1970
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Symbolic logic 1 Teo Grünberg
Ankara, 1969
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The pattern of reasoning in scientific discovery Cemal Yıldırım
Ankara: Middle East Technical University, Faculty of Arts and Sciences, 1968