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1. Telephone survey methods: sampling, selection and supervision

by Lavrakas, Paul J.

Publisher: London Sage pub. 1987Availability: Items available for loan: Main Library [Call number: 300.723 LAV] (1).

2. Telephone survey methods: sampling, selection and supervision

by Lavrakas, Paul J.

Edition: 2nd ed.Publisher: London Sage 1993Availability: Items available for loan: Main Library [Call number: 300.723 LAV] (2).

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