SOGE, P. (1983). A Reading Programme For Civil Engineering Students Atma Jaya University Yogyakarta. Universitas Atma Jaya Yogyakar.
Chicago-referens (17:e uppl.)SOGE, Paulinus. A Reading Programme For Civil Engineering Students Atma Jaya University Yogyakarta. Universitas Atma Jaya Yogyakar, 1983.
MLA-referens (8:e uppl.)SOGE, Paulinus. A Reading Programme For Civil Engineering Students Atma Jaya University Yogyakarta. Universitas Atma Jaya Yogyakar, 1983.
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