APA aipamena

Beltran, D. G. (1963). A method of determining economical sample size for sample surveys.

Chicago Style aipamena

Beltran, Diosdado G. A Method of Determining Economical Sample Size for Sample Surveys. 1963.

MLA aipamena

Beltran, Diosdado G. A Method of Determining Economical Sample Size for Sample Surveys. 1963.

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