00572pamaa2200181 4500 0000021892 20110615090000.0 0803990561 001.4222 CZA HA31.2 CZA 1996 CZAJA Designing surveys : a guide to decisions and procedures Ronald Czaja and Johnny Blair. Thousand Oaks: Pine Forge Press, 1996. xvii, 269p.; 23cm. The Pine Forge Press series in research methods and statistics Sampling (Statistics) Surveys BLAIR, Johnny