Não informado. (1942). Journal of Education and Psychology. Sardar Patel University.
Cita Chicago Style (17a ed.)Não informado. Journal of Education and Psychology. Vallabh Vidyanagar, India: Sardar Patel University, 1942.
Cita MLA (8a ed.)Não informado. Journal of Education and Psychology. Sardar Patel University, 1942.
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