See Allo

Bellows, Roger, author

Executive skills : their dynamics, and development

Prentice-Hall, 1962

Buku Teks

Hague, Hawden, author

Executive self-development real learning in real situations

Macmillan, 1974

Buku Teks

Bender, James F., author

The technique of executive leadership

McGraw-Hill, 1950

Buku Teks

Bittel, Lester Robert, author

Executive skills program self-assessment tests

Alexander Hamilton Institute, 1986

Buku Teks

Executive skills program checkpoint comprehention reviews Alexander Hamilton Institute

N.Y. AHI , 19-

Buku Teks

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