Motivation :
Beck, Robert Clarence, 1931-
Motivation : theories and principles / Robert C. Beck. - 3rd ed. - Englewood Cliffs, N.J. : Prentice Hall, 1990. - xii, 414 p. : ill. ; 24 cm.
Includes bibliogr. references (p. 363-398) and indexes.
0136030777
Motivation (Psychology)
Motivation : theories and principles / Robert C. Beck. - 3rd ed. - Englewood Cliffs, N.J. : Prentice Hall, 1990. - xii, 414 p. : ill. ; 24 cm.
Includes bibliogr. references (p. 363-398) and indexes.
0136030777
Motivation (Psychology)