Mapping as a solution?
 Artikel Jurnal
Baird, Colin
Solutions manual for environmental chemistry
W.H. Freemen and Company , 2008
 Buku Teks
Tikhonov, Andrey N.
Solutions of ill-posed problems
John Wiley & Sons, 1977
 Buku Teks
Solomons, T.W. Graham
Solutions manual for organic chemistry
John Wiley & Sons, 1976
 Buku Teks
Problems and solutions on electromagnetism
edited by Lim Yung-Kuo [and others]
World Scientific, 1994
 Buku Teks