American Society of Civil Engineers. (1991). Journal of professional issues in engineering education and practice. American Society of Civil Engineers.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)American Society of Civil Engineers. Journal of Professional Issues in Engineering Education and Practice. New York, NY: American Society of Civil Engineers, 1991.
MLA -ийн эшлэл (9 дэх хэвлэлт)American Society of Civil Engineers. Journal of Professional Issues in Engineering Education and Practice. American Society of Civil Engineers, 1991.
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