Klatt, Edmund
Langenscheidts Schulworterbuch English-Deutch; Deutsch English
Berlin Langenscheidt KG. Verlag buchhandlung 1961
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Kekuatan pelat beton terhadap geser pons
Fakultas Teknik Universitas Indonesia, 1994
 UI - Skripsi Membership
Collins English spelling dictionary
HarperCollins Publishers, 1993
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Collins college thesaurus
HarperCollins, 1995
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Collins COBUILD English dictionary
editor in chief, John Sinclair
HarperCollins Publishers, 1995
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