Shabbir, J. (2014). A New Difference-Cum-Exponential Type Estimator of Finite Population Mean in Simple Random Sampling. Universidad Nacional de Colombia.
Style de citation Chicago (17e éd.)Shabbir, Javid. A New Difference-Cum-Exponential Type Estimator of Finite Population Mean in Simple Random Sampling. Universidad Nacional de Colombia, 2014.
Style de citation MLA (9e éd.)Shabbir, Javid. A New Difference-Cum-Exponential Type Estimator of Finite Population Mean in Simple Random Sampling. Universidad Nacional de Colombia, 2014.
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