Guillen, W. A. The use of multiple frames in agricultural crop sample surveys.
Dyfyniad Arddull ChicagoGuillen, Wilma Ascano. The Use of Multiple Frames in Agricultural Crop Sample Surveys.
Dyfyniad MLAGuillen, Wilma Ascano. The Use of Multiple Frames in Agricultural Crop Sample Surveys.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.