| |
J Appl Anim Welf Sci, Vol. 7, No. 3. (2004), pp. 163-169.
|
| |
Research in Developmental Disabilities, Vol. 18, No. 1. ( 1997), pp. 79-89.
|
| |
J Appl Behav Anal, Vol. 11, No. 1. (1978), pp. 153-162.
|
| |
J Appl Behav Anal, Vol. 25, No. 2. (1992), pp. 491-498.
|
| |
J Appl Behav Anal, Vol. 30, No. 3. (1997), pp. 451-458.
|
| |
Education and Training in Developmental Disabilities, Vol. 39, No. 3. (2004), pp. 253-264.
|
| |
Behavioural Processes, Vol. 63, No. 3. (31 July 2003), pp. 171-175.
|
| |
Animal Behaviour, Vol. 17, No. Part 1. (February 1969), pp. 120-133.
|
| |
Am J Ment Retard, Vol. 110, No. 2. (March 2005), pp. 145-154.
|
| |
J Appl Behav Anal, Vol. 32, No. 4. (1999), pp. 419-435.
|
| |
J Appl Behav Anal, Vol. 10, No. 4. (1977), pp. 591-603.
|
| |
J Appl Behav Anal, Vol. 33, No. 1. (2000), pp. 85-88.
|
| |
J Appl Behav Anal, Vol. 28, No. 1. (1995), pp. 61-71.
|
| |
J Appl Behav Anal, Vol. 22, No. 2. (1989), pp. 171-179.
|
| |
Research in Developmental Disabilities, Vol. 20, No. 1. (02 January 1999), pp. 63-72.
|
| |
J Appl Behav Anal, Vol. 38, No. 1. (2005), pp. 107-110.
|
| |
Journal of Applied Behavior Analysis, Vol. 34, No. 4. (2001), pp. 475-485.
|
| |
Behavior Modification, Vol. 28, No. 5. (September 2004), pp. 668-677.
|
| |
In Handbook of applied behavior analysis. (2000), pp. 19-38.
|
| |
Journal of Positive Behavioral Interventions, Vol. 3, No. 3. (Summer 2001), pp. 152-159.
|
| |
Research in Developmental Disabilities, Vol. 26, No. 1. ( 2005), pp. 1-15.
|
| |
Learning and Motivation Aug 1974; Vol.5.(3): 273 287
|
| |
Dissertation Abstracts International: Section B: The Sciences and Engineering, Vol. 63, No. 10-B. (2003)
|