Bose-Einstein condensation
edited by Sergio Martellucci ... [and others]
Cambridge University Press, 1995
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Collier, John Greenwood
Convective boilling and condensation
McGraw-Hill, 1972
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Efficient reading
 Artikel Jurnal
Uris, Auren
The efficient executive
McGraw-Hill , 1957
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Becker, Selwyn W. (Selwyn William), 1929-
The efficient organization
Elsevier, 1975
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