Chacko, Harsha E.. Using imputation techniques to mitigate nonresponse bias in tourism business surveys: the case of hotel industry statistics / Harsha E. Chacko, Charles Wartenberg. - 1996. // It's showtime for tourism: new products, markets and technologies : Twenty-seventh annual conference. June 16-19, 1996, Bally's Las Vegas Hotel, Las Vegas, Nevada
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