Wartburg, Walther V.
Problems and methods in linguistics / Wather V. Wartburg
Barnew and noble, 1969
Buku Teks
Sutan Takdir Alisjahbana
The failure of modern linguistics : in the face of linguistic problems of the twentieth century
University of Malaya, 1965
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Historical linguistics problems and perspectives
edited by Charles Jones
Longman, 1993
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Johnson, Keith
Quantitative methods in linguistics
Blackwell , 2008
Buku Teks
Bronson, Richard
Schaums outline of modern introductory differential equations with laplace transforms, numerical methods, matrix methods, eigenvalue problems
McGraw-Hill, 1973
Buku Teks