TY  - BOOK
AU  - Vithanapathirana, M. V
AU  - Munasinghe, M. A. P
TI  - Sri Lanka Journal of Educational Research, Vol. 6, No. 1, 1997
PY  - 1997///
CY  - Maharagama
PB  - National Institute of Education
KW  - EDUCATIONAL RESEARCH
KW  - NATIONAL EDUCATION
KW  - PAMPHLET BOX 187
ER  -