Flores, L. H. (1964). The regression method of estimation in multi-stage samples. University of the Philippines Diliman.
Chicago-referens (17:e uppl.)Flores, Lydia H. The Regression Method of Estimation in Multi-stage Samples. Quezon City: University of the Philippines Diliman, 1964.
MLA-referens (9:e uppl.)Flores, Lydia H. The Regression Method of Estimation in Multi-stage Samples. University of the Philippines Diliman, 1964.
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