McCleary, John
User's guide to spectral sequences
Publish or Perish, 1985
 Buku Referensi
Jensen, James N.
A user`s guide to engineering
Pearson/Prentice Hall, 2006
 Buku Teks SO
O`Hanlon, John F.
A user's guide to vacuum technology
John Wiley & Sons, 1980
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Anis, Nick
The PC user's guide
Osborne-McGraw-Hill , 1991
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Turbo C : user's guide
Borland International, 1987
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