Downie, N. M.
Harper & Row, Pub., 1974
Buku Teks
Dixon, Wilfrid J. (Wilfrid Joseph), author
McGraw-Hill , 1983
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Mason, Robert D. author
McGraw-Hill , 1999
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Smith, Lee H.
Wadsworth, 1971
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Nutchanat Sattayakawee, author
Kasetsart University Kamphaengsaen Campus. Faculty of Engineering, 2017
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