Flores, L. H. (1973). The regression method of estimation in multiple stage [microform]. Photoduplication Service.
Chicago-viite (17. p.)Flores, Lydia H. The Regression Method of Estimation in Multiple Stage [microform]. Quezon City: Photoduplication Service, 1973.
MLA-viite (9. p.)Flores, Lydia H. The Regression Method of Estimation in Multiple Stage [microform]. Photoduplication Service, 1973.
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