C. Mcalpine

Recognition of facial expressions of emotion by persons with mental retardation.

K. Kendall, N. Singh, C. Mcalpine, 1991, American journal of mental retardation : AJMR.

Pica in institutionalized mentally retarded persons.

N N Singh, C McAlpine, N. Singh, 2008, Journal of mental deficiency research.

Recognition of Facial Expressions of Emotion by Persons with Mental Retardation

Nirbhay N. Singh, C. Ellis, C. Mcalpine, 1992, Behavior modification.

Development and validation of videotaped role plays of the six basic facial expressions of emotion

Nirbhay N. Singh, K. Kendall, C. Mcalpine, 1991 .

Enhancing the Ability of Adults with Mental Retardation to Recognize Facial Expressions of Emotion

Nirbhay N. Singh, C. Ellis, C. Hampton, 1992, Behavior modification.