Integrated science in the junior secondary school in Sri Lanka
RANAWEERA, A.M.
Integrated science in the junior secondary school in Sri Lanka Ranaweera A.M. - Paris The unesco press 1976 - 31 p.
92310113742
Science --Study and teaching(Secondary)--Sri Lanka
Interdisciplinary approach in education--Sri Lanka
Cirriculm planning--Sri Lanka
Integrated science in the junior secondary school in Sri Lanka Ranaweera A.M. - Paris The unesco press 1976 - 31 p.
92310113742
Science --Study and teaching(Secondary)--Sri Lanka
Interdisciplinary approach in education--Sri Lanka
Cirriculm planning--Sri Lanka