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	1.		No cover image available A Reseach Study on The Impact of Principals Training on School Effectiveness and Efficiency by De silva, G.N Language: English Publication details: Maharagama 1999 Dissertation note: NIE 1999 Availability: Items available for reference: Maharagama: Not for loan (1). Add to cart (remove)
	2.		No cover image available A Research Study to Develop Performance Indicators to Asses the Performance of Principals and Teachers by De Silva, G.N Language: English Publication details: Maharagama Dissertation note: NIE Availability: Items available for reference: Maharagama: Not for loan (1). Add to cart (remove)

Library, National Institute of Education
පුස්තකාලය, ජාතික අධ්‍යාපන ආයතනය