TY - BOOK AU - Mercer Cecil D., Snell Martha E. TI - Learning theory research in mental retardation: implications for teaching SN - 0675085314 U1 - WM300 PY - 1977/// CY - Columbus PB - Charles E. Merrill Publishing KW - Learning Disabilities KW - Learning KW - Mental Retardation N2 - Mental Retardation, Learning, Learning Disabilities ER -