J Appl Behav Anal, Vol. 11, No. 1. (1978), pp. 153-162.
J Appl Behav Anal, Vol. 25, No. 2. (1992), pp. 491-498.
Clinical Psychology Review, Vol. 17, No. 2. (1997), pp. 217-238.
J Exp Anal Behav, Vol. 57, No. 1. (January 1992), pp. 109-117.
Res Dev Disabil, Vol. 13, No. 4. (1992), pp. 335-361.
Journal of Applied Behavior Analysis, Vol. 36, No. 4. (2003), pp. 439-448.
Research in Developmental Disabilities, Vol. 20, No. 1. (02 January 1999), pp. 63-72.
J Appl Behav Anal, Vol. 28, No. 3. (1995), pp. 269-283.
J Speech Hear Disord, Vol. 54, No. 1. (February 1989), pp. 88-93.
Journal of Applied Behavior Analysis, Vol. 30, No. 3. (1997), pp. 485-506.
J Appl Behav Anal, Vol. 27, No. 4. (1994), pp. 715-728.
Research in Developmental Disabilities, Vol. 17, No. 5. ( 1996), pp. 391-411.
Am J Ment Retard, Vol. 94, No. 6. (May 1990), pp. 603-615.
Journal of Applied Behavior Analysis, Vol. 30, No. 3. (1997), pp. 387-410.
J Appl Behav Anal, Vol. 33, No. 4. (2000), pp. 559-571.
J Child Psychol Psychiatry, Vol. 41, No. 6. (September 2000), pp. 679-694.
J Appl Behav Anal, Vol. 29, No. 1. (1996), pp. 67-78.
Journal of Applied Behavior Analysis, Vol. 30, No. 3. (1997), pp. 423-438.
Research in Developmental Disabilities, Vol. 26, No. 1. ( 2005), pp. 1-15.
Journal of Behavioral Education, Vol. 8, No. 2. (June 1998), pp. 151-169.
J Appl Behav Anal, Vol. 38, No. 1. (2005), pp. 107-110.
Int J Rehabil Res, Vol. 22, No. 4. (December 1999), pp. 321-325.
Ment Retard, Vol. 11, No. 6. (December 1973), pp. 24-28.
Journal of Intellectual Disability Research, Vol. 50, No. 6. (June 2006), pp. 404-409.
J Appl Behav Anal, Vol. 32, No. 2. (1999), pp. 161-173.
J Appl Behav Anal, Vol. 33, No. 1. (2000), pp. 85-88.
J Appl Behav Anal, Vol. 31, No. 1. (1998), pp. 117-125.
J Child Psychol Psychiatry, Vol. 40, No. 6. (September 1999), pp. 839-849.
J Appl Behav Anal, Vol. 28, No. 1. (1995), pp. 61-71.
Journal of Intellectual Disability Research, Vol. 49, No. 2., 144.
J Appl Behav Anal, Vol. 22, No. 2. (1989), pp. 171-179.
J Appl Behav Anal, Vol. 17, No. 2. (1984), pp. 175-188.
J Appl Behav Anal, Vol. 33, No. 4. (2000), pp. 533-544.
J Behav Ther Exp Psychiatry, Vol. 13, No. 2. (June 1982), pp. 135-140.
J Appl Behav Anal, Vol. 33, No. 1. (2000), pp. 93-96.
Behavioral Interventions, Vol. 13, No. 4. (24 December 1998), pp. 249-268.
Am J Ment Retard, Vol. 110, No. 2. (March 2005), pp. 145-154.
J Appl Behav Anal, Vol. 30, No. 3. (1997), pp. 411-422.
J Appl Behav Anal, Vol. 35, No. 1. (2002), pp. 95-98.
J Appl Behav Anal, Vol. 37, No. 2. (2004), pp. 233-238.
J Appl Behav Anal, Vol. 32, No. 4. (1999), pp. 419-435.
J Appl Behav Anal, Vol. 10, No. 4. (1977), pp. 591-603.
Prax Kinderpsychol Kinderpsychiatr, Vol. 34, No. 6. (p 1985), pp. 225-231.
Journal of Intellectual Disability Research, Vol. 43 ( Pt 6) (December 1999), pp. 437-444.
Journal of Applied Behavior Analysis, Vol. 34, No. 4. (2001), pp. 475-485.
Behavior Modification, Vol. 28, No. 5. (September 2004), pp. 668-677.
Research in Developmental Disabilities, Vol. 18, No. 1. ( 1997), pp. 79-89.
J Appl Behav Anal, Vol. 29, No. 3. (1996), pp. 263-290.
J Appl Behav Anal, Vol. 37, No. 4. (2004), pp. 481-501.
J Appl Behav Anal, Vol. 38, No. 1. (2005), pp. 101-105.