F. N. David. (1938). Tables of the Ordinates and Probability integral of the Distribution of ht Correlation coefficient in Small Samples (1938.). The university Press, Cambridge.
শিকাগো স্টাইলে সাইটেশনF. N. David. Tables of the Ordinates and Probability Integral of the Distribution of Ht Correlation Coefficient in Small Samples. 1938. England: The university Press, Cambridge, 1938.
এমএলএ সাইটেশনF. N. David. Tables of the Ordinates and Probability Integral of the Distribution of Ht Correlation Coefficient in Small Samples. 1938. The university Press, Cambridge, 1938.
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