Cerami, Charles A.
How to solve management problems
Prentice-Hall, 1957
 Buku Teks
Pierce, Conway
General chemistry workbook : how to solve chemistry problems
W H Freeman, 1965
 Buku Teks
Hammond, W. Rogers (William Rogers), 1920-1990
How to solve accounting problems : intermediate and advanced
Prentice-Hall, 1961
 Buku Teks
Mina, Eli
101 boardroom problems and how to solve them
American Management Association, 2009
 eBooks
Alcosser, Edward
How to build a working digital computer
Hayden Book Company, 1967
 Buku Teks