TY  - BOOK
AU  - Roldan,Aurora H.
TI  - Concept development: basic to reading education 
SN  - 97108022803
U1  - Fil. 372.4 R744 1983 
PY  - 1983///
CY  - San Juan
PB  - Reading Dynamics Inc.
KW  - Reading - Study and teaching
N1  - Includes appendices and acknowledgements
ER  -