Deane, Donna
Developing professional effectiveness in nursing
Reston, 1985
 Buku Teks
Fiedler, Fred E.
A theory of leadership effectiveness/ Fred E. Fielder
McGraw-Hill, 1967
 Buku Teks
Shafira Alyssa Leadi
Pengukuran employee job satisfaction pada professional service firm menggunakan pendekatan herzber's two factors theory = Employee job satisfaction measurement in professional service firm using herzberg's two factors theory
2016
 UI - Skripsi Membership
Felix Cahyo Kuncoro Jakti
Evaluasi efektivitas program pengembangan kompetensi untuk manajer proyek konstruksi profesional pada perusahaan konstruksi BUMN = Evaluating the effectiveness of competency development program for professional construction project manager at state owned construction companies
Fakultas Teknik Universitas Indonesia, 2014
 UI - Tesis Membership
Choate, Mark S.
Professional wikis
Wiley Publishing, Inc., 2008
 Buku Teks