Designerbooks, [date of publication not identified]
Buku Referensi
American Society of Civil Engineers, 2018
Majalah, Jurnal, Buletin
daab,
Buku Referensi
Stitt, Fred A., editor
McGraw-Hill, 1999
Buku Referensi
edited by Andreas C. Papadakis
VCH Publishers,
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