Waldman, Don E., author
Industrial organization: theory and practice
Pearson, 2007
 Buku Teks
Northouse, Peter G.
Leadership: theory and practice
Sage Publications, Inc. , 2010
 Buku Teks
Lachman, Leon, author
The Theory and practice of idustrial pharmacy
Lea & Febiger, 1976
 Buku Teks
Minshull, Roger
Regional geography : theory and practice
Hutchinson University Library, 1971
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Wilson, J. A. Sam, author
Basic electronics: theory and practice
McGraw-Hill, 1977
 Buku Teks