Newstrom, John W.
The big book of presentation games : wake-em-up tricks, ice breakers & other fun stuff
McGraw-Hill, 1997
Buku Teks SO
Molotch, Harvey
Where stuff comes from: how toasters, toilets, cars, computers, and many other things come to be as they are
Routledge, 2003
Buku Teks SO
Berry, Ralph
The Research Project : How to Write it.
London : ROUTLEDGE, 1994,
Buku Referensi
Berry, Ralph
The research project: how to write it
Routledge, 1994
Buku Teks SO
Crego, Edwin T.
How to write a business plan
[American Management Association;, ], 1995
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