00466nam a2200157Ia 450000500170000000800460001703700120006304000210007504100130009608400210010924500590013024500100018926000820019930000140028136500130029520250508165507.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDL bengcFEDL  aeng2eng  a363.7, NCEqFEDL 0aProject book in environmental education for class 6-10 0cNCERT  aNew Delhi, IndiabNational Council of Educational Research and Trainingc2009  axii, 44p.  aINRb250