(1991). English For Civil Engineering Student Book 2/ Paulinus Soge. UAJY.
Chicago Style (17. basım) AtıfEnglish For Civil Engineering Student Book 2/ Paulinus Soge. UAJY, 1991.
MLA (8th ed.) AtıfEnglish For Civil Engineering Student Book 2/ Paulinus Soge. UAJY, 1991.
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