Lawson, Joseph W.R., II
How to develop a personnel policy manual
American Management Association, 1998
 eBooks
Carpendale, Jeremy
How children develop social understanding
Blackwell, 2006
 Buku Teks SO
Baker, Sharon L.
The responsive public library collection : how to develop and market it
Libraries Unlimited, 1993
 Buku Teks SO
How to develop an effective financial reporting system.
Modern Business Report , 1985
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Hill, Norman C.
How to increase employee competence
McGraw-Hill, 1984
 Buku Teks SO