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- [2] INCREASING RESPONSE RATES IN DENTISTS MAIL SURVEYS [J]. JOURNAL OF DENTAL RESEARCH, 1990, 69 : 282 - 282
- [4] INCREASING RESPONSE RATE IN SURVEYS BY MAIL [J]. ZEITSCHRIFT FUR EXPERIMENTELLE UND ANGEWANDTE PSYCHOLOGIE, 1979, 26 (02): : 334 - 340
- [5] INCREASING RESPONSE TO INDUSTRIAL MAIL SURVEYS [J]. INDUSTRIAL MARKETING MANAGEMENT, 1990, 19 (03) : 235 - 241