Cita APA

Africa, B. R. (1977). A numerical study of bias estimation of variance in systematic sampling of Philippine households [microform]. Photoduplication Service. University of the Philippines Library.

Citación estilo Chicago

Africa, Benedicto R. A Numerical Study of Bias Estimation of Variance in Systematic Sampling of Philippine Households [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Cita MLA

Africa, Benedicto R. A Numerical Study of Bias Estimation of Variance in Systematic Sampling of Philippine Households [microform]. Photoduplication Service. University of the Philippines Library, 1977.