Enhancing motivation : change in the classroom /
DeCharms, Richard
Enhancing motivation : change in the classroom / by Richard DeCharms ; in collaboration with Dennis J. Shea ... [et al.]. - New York : Irvington, 1976. - 279 p. - The Irvington social relations series .
0470013923
Dinámica de grupos
Enhancing motivation : change in the classroom / by Richard DeCharms ; in collaboration with Dennis J. Shea ... [et al.]. - New York : Irvington, 1976. - 279 p. - The Irvington social relations series .
0470013923
Dinámica de grupos