Hogan, Rex, 1944-
A practical guide to database design
Prentice-Hall, 1990
 Buku Teks SO
Church, James C.
Practical plumbing design guide
McGraw-Hill, 1979
 Buku Referensi
Staff development: a practical guide
edited by Anne Grodzins Lipow and Deborah A. Carver
American Library Association, 1992
 Buku Teks SO
Gender and development : a practical guide
edited by Lise Ostergaard
Routledge, 1992
 Buku Teks SO
Research for development : a practical guide
Sophie Laws, Caroline Harper, Nicola JOnes, Rachel Marcus
SAGE, 2013
 Buku Teks