373.236095493
A832I
           Ranaweera,A M
               Integrated science in the junior secondary school in Sri Lanka \ A M Ranaweera - Paris : UNESCO Press, 1976.
               31p. - Experiments and innovation in education:an Internatinal Bureau of education series; no. 27 .
                ISBN: 92-3-101374-2

107085
                Subjects: Education,secondary-Sri Lanka; Science-Study and teaching-Sri Lanka; Education-Curricula-Sri Lanka.