Change in education : insights from performance contracting /

द्वारा Carpenter-Huffman, P.
प्रकाशित 1974

The token economy system /

द्वारा Lauridsen, David
प्रकाशित 1978

Educational performance contracting /

द्वारा Gramlich, Edward M., 1939-
प्रकाशित 1975

Performance contracting in education--an appraisal: toward a balanced perspective.

प्रकाशित 1972

Performance contracting in schools; profit motive tested as incentive to learning.

द्वारा Mecklenburger, James
प्रकाशित 1972