00443nam a2200145Ia 4500001001100000005001700011008004300028020001500071050001100086245009900097260002500196300002700221650003400248999001500282000001664220251012174547.0  981208s1976    fr            00    eng c  a9231013734 4aLA115410aIntegrated approach to curriculum development in primary education in Sri Lankacby K. Peiris   aParisbUnescoc1976   a25 cm. : ill. ; 21 cm. 0aEducationxSri LankaxHistory  c6183d6183