Crawford, M. E., & Mendell, R. (1987). Therapeutic recreation and adapted physical activities for mentally retarded individuals.
শিকাগো স্টাইলে সাইটেশনCrawford, Michael E., এবং Ron Mendell. Therapeutic Recreation and Adapted Physical Activities for Mentally Retarded Individuals. New Jersey, Prentice-Hall, 1987.
এমএলএ সাইটেশনCrawford, Michael E., এবং Ron Mendell. Therapeutic Recreation and Adapted Physical Activities for Mentally Retarded Individuals. 1987.
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