Beltran, D. G. (1963). A method of determining economical sample size for sample surveys.
Chicago Style (17th ed.) CitationBeltran, Diosdado G. A Method of Determining Economical Sample Size for Sample Surveys. 1963.
MLA (9th ed.) CitationBeltran, Diosdado G. A Method of Determining Economical Sample Size for Sample Surveys. 1963.
Warning: These citations may not always be 100% accurate.