Kumar, R. S. (2012). Textbook of highway engineering. Universities Press.
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Chicago-čujuhus (17. p.)
Kumar, R Srinivasa. Textbook of Highway Engineering. Kolkata: Universities Press, 2012.
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MLA-čujuhus (9. p.)
Kumar, R Srinivasa. Textbook of Highway Engineering. Universities Press, 2012.
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