Encyclopedia practical management 9 : effective performance appraisals
by Rebecca M. Saunders
Gemini Books, 2000
 Buku Referensi
Allen, David
Encyclopedia of strategic management : financial decisions
Crest Publishing House, 2002
 Buku Teks
Encyclopedia of practical management 1 : leadership
by Walter J. Wadsworth
Gemini Books, 2000
 Buku Referensi
Encyclopedia of practical management 3 : goal-setting & achievement
by Walter J. Wadsworth
Gemini Books, 2000
 Buku Referensi
Encyclopedia of practical management 10 : customer-focused selling
by Len D'Innocenzo and Jack Cullen
Gemini Books, 2000
 Buku Referensi