Tohutoro APA (7th ed.)
Nichols, P. (1991). Social survey methods: The fieldguide for development workers. Oxfam.
Tohutoru Kātū Chicago (17th ed.)
Nichols, Paul. Social Survey Methods: The Fieldguide for Development Workers. Oxford: Oxfam, 1991.
Tohutoro MLA (9th ed.)
Nichols, Paul. Social Survey Methods: The Fieldguide for Development Workers. Oxfam, 1991.
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