TY - BOOK AU - Semler, Ira J., TI - Concept learning and retention in a simulated classroom situation AV - LB1063 S44 PY - 1965/// CY - Cedar rapids, iowa PB - Cedar rapids community school district, iowa KW - Memoria KW - PsicologĂ­a del aprendizaje N1 - Cooperative research project no. s-225 ER -