TY  - BOOK
AU  - Langdon,Danny G.
TI  - Interactive instructional designs for individualized learning
AV  - LB1570 L34
PY  - 1972///
CY  - Enlgewood cliffs., n.j.
PB  - Educational technology publs.
KW  - Lectura
KW  - Planificacion
KW  - Enseñanza individualizada
ER  -