Practical Sales Psychology /

ανά Laird, Donald A, Laird, Eleanor C
Έκδοση 1952

Practical business psychology/3e

ανά Laird, Donald A.
Έκδοση 1961

Technique of building personal leadership : proved ways for increasing the powers of leadership

ανά Laird, Donald A
Έκδοση 1944

Technique of getting things done /

ανά Laird, Donald A.

Technique of getting things done, rules for directing will power from the lives of the worlds leaders /

ανά Laird, Donald A.
Έκδοση 1957

Technique of handling people even heops for your human relation /

ανά Laird, Donald A.

Techniques of building personal leadership,proved ways for increasing the powers of leadership /

ανά Laird, Donald A.

Sizing up people

ανά Laird, Donald A.
Έκδοση 1951

Practical sales psychology

ανά Laird, Donald A.
Έκδοση 1952

Techniques of delegating

ανά Laird, Donald A.
Έκδοση 1957

Technique of handling people

ανά Laird, Donald A.
Έκδοση 1954

Psychology- human relations and motivations /

ανά Laird, Donald A
Έκδοση 1956

Sizing up people

ανά Laird, Donald A
Έκδοση 1951