Lubbock, Basil
Hennel Locke, 1958
Buku Teks
Barabanov, N., author
Peace, 1973
Buku Teks
Skrypnik, Oleg Nicolaevich, author
Springer Nature, 2019
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Nagaraja, N.S.
New Delhi Tata Mc-Graw-Hill 1995,
Buku Teks
Farrel, Jay, author
McGraw-Hill, 1999
Buku Teks