TY  - BOOK
AU  - RANAWEERA, A.M.
TI  - Intergrated science in the junior secondary school in Sri Lanka
SN  - 9231013742
PY  - 1976///
CY  - Paris
PB  - The Unesco Press
KW  - Science
KW  - Study and teaching(Secondary)
KW  - Sri Lanka
KW  - Interdisciplinary approach in education
KW  - Curriculum planning
ER  -