Willems, Nicholas
Solutions manual to accompany structural analysis for engineers
McGraw-Hill, 1978
 Buku Teks
Wang, C.K.
Solutions manual to accompany : intermediate structural analysis / C.K. Wang
McGraw-Hill, 1982
 Buku Teks
Baird, Colin
Solutions manual for environmental chemistry
W.H. Freemen and Company , 2008
 Buku Teks
Solomons, T.W. Graham
Solutions manual for organic chemistry
John Wiley & Sons, 1976
 Buku Teks
Solomons, T.W. Graham
Solutions manual for organic chemistry
John Wiley & Sons, 1979
 Buku Teks