Alexander, L.G.
Practice and progress : an integrated course for pre-intermediate students / L. G. Alexander
Longmans, 1985, 1992
 Buku Teks
Alexander, L.G.
Fluency in English : an integrated course for advanced students / L. G. Alexander
Longman , 1967
 Buku Teks
McKeague, Charles P., 1946-
Elementary and intermediate algebra : a combined course
Brooks/Cole Cengage Learning, 2012
 Buku Teks
McKeague, Charles, 1946-
Elementary and intermediate algebra a combined course
Brooks/Cole Cengage Learning, 2012
 Buku Teks
English grammatical structure : a general syllabus for teachers / L.G. Alexander...[et al.]
Longman Group UK Limited , 1975
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