Fink, Arlene, author
How to sample in surveys
Thousand Oaks : SAGE PUBLIKATION, 2003,
 Buku Referensi
How to condut telephone surveys
Linda P. Bourque, Eve P. Fielder
Thousand Oaks : SAGE PUBLIKATION, 2003,
 Buku Referensi
Sample surveys in the Escap rigion
United Nations-ESCAP , 1983
 Buku Teks
Sample surveys in the Escap rigion
United Nations-ESCAP , 1982
 Buku Teks
Sample surveys in the Escap rigion
United Nations-ESCAP , 1985
 Buku Teks
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