ABSTRACT
I NTHEpreviouschapterwediscussedthetwomostimportantproceduresinsampledesign,stratificationandmulti-stage sampling,andnotedtheimportanceofPPSselectioninmulti-
stagesamplingwhenthePSU'sareunequalinsize.Inadditionthere areanumberofotherproceduresincurrentuse,andthesewillbe outlinedinthischapter.