Before and after it's a line of stacks from choice material, each 20 material are indicated.
Handbook of self-determination research / Edward L. Deci ; Richard M. Ryan
Knowledge Forest 64
Motivation enhancing environments / Maehr, Martin L. ; Ames, Carole
Knowledge Forest 64
Why we do what we do : understanding self-motivation / Edward L. Deci with Richard Flaste
Knowledge Forest 64
Intrinsic motivation and self-determination in human behavior / Deci, Edward L. ; Ryan, Richard M.
Knowledge Forest 64
Intrinsic motivation and self-determination in human behavior / Edward L. Deci ; Richard M. Ryan
Knowledge Forest 64
Human motivation : a social psychological approach / Geen, Russell G., 1932-
Knowledge Forest 64