Motivation : theory, research, and applications /
Petri, Herbert L.
Motivation : theory, research, and applications / Herbert L. Petri. - 3rd ed. - Belmont, EUA : Wadsworth Publishing Company, c1991. - xiv, 434 p. : il.
0534143644
Motivación (Psicología)
Motivation : theory, research, and applications / Herbert L. Petri. - 3rd ed. - Belmont, EUA : Wadsworth Publishing Company, c1991. - xiv, 434 p. : il.
0534143644
Motivación (Psicología)