Petri, Herbert L.
Motivation : theory, research, and applications / Herbert L. Petri. - 3rd ed. - Belmont, Calif. : Wadsworth Pub. Co., c1991. - xiv, 434 p. : ill. ; 24 cm.
0534143644
Motivation (Psychology).
153.8 PET
Motivation : theory, research, and applications / Herbert L. Petri. - 3rd ed. - Belmont, Calif. : Wadsworth Pub. Co., c1991. - xiv, 434 p. : ill. ; 24 cm.
0534143644
Motivation (Psychology).
153.8 PET