00744nam a2200217Ia 4500001001100000005001700011008004300028020001500071041000800086050001100094050002500105245008800130260003100218300001900249650003500268650005500303650005500358650005500413650004300468999001500511000001664320251012174547.0  981208s1976    fr            00    eng c  a92310137420 aeng 4aQ183.400aQ183.4.S67bR26 197610aIntegrated science in the junior secondary school in Sri Lankacby A. M. Ranaweera   aParisbUnesco Pressc1976   a31 p. ; 21 cm. 0aCurriculum planningxSri Lanka 0aInterdisciplinary approach in educationxSri Lanka 0aInterdisciplinary approach in educationzSri Lanka 0aSciencexStudy and teaching (Secondary)zSri Lanka 0aSciencexStudy and teachingxSri Lanka  c6184d6184