Richman, Larry
Project management step-by-step
[American Management Association, ], 2002
 eBooks
Christensen, Howard B.
Statistics step by step
Hoghton Mifflin, 1977
 Buku Teks
Sartika Kurniali
Step by step facebook
PT Gramedia, 2009
 Buku Teks
Drago, Carl
Implant restorations: a step-by-step guide
Blackwell Publishing, 2007
 Buku Referensi
Kemp, Marwin K., 1942-
Physical Chemistry : a step by step approach
Academic Press, c1979
 Buku Teks