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	1.		No cover image available Sample Survey Methods and Theory : methods and applications by Hansen, Morris H Hurwitz, W.N Madow, W.G Publication details: New York : John Wiley & Sons, 1953 Availability: Items available for loan: Maharagama (1)Call number: 519.5 HAN. Place hold Add to cart (remove)
	2.		No cover image available Sample Survey Methods and Theory by Hansen, Morris Publication details: New York: John Wiley and sons, 1953 Availability: Items available for loan: Maharagama (1)Call number: 519.52 HAN. Place hold Add to cart (remove)

Library, National Institute of Education
පුස්තකාලය, ජාතික අධ්‍යාපන ආයතනය