SBP Board of Consultants & Engineers
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Buku Referensi
Naylor, D.J., author
Pineridge Press, 1981
Buku Teks
Baumeister, Theodore
McGraw-Hill, 1958
Buku Referensi
editor, Charles A. Harper
McGraw-Hill, 1970
Buku Referensi
Filho, Carlos Alberto Dutra Fraga, author
Springer Nature, 2019
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