Trusal, M. E. 1., & Trusal, M. E. 1. (1956). Effect of kindergarten experience upon readiness for and achievement in first grade. Ann Arbor: University Microfilms.
Citación estilo ChicagoTrusal, Maurice Earl 1913-, y Maurice Earl 1913- Trusal. Effect of Kindergarten Experience Upon Readiness for and Achievement in First Grade. Ann Arbor: University Microfilms, 1956.
Cita MLATrusal, Maurice Earl 1913-, y Maurice Earl 1913- Trusal. Effect of Kindergarten Experience Upon Readiness for and Achievement in First Grade. Ann Arbor: University Microfilms, 1956.
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