00406nam a2200169 a 4500 000010 RWANDA 20260326235432.0 260201s2003 rw 000 0 eng d 0-471-89987-9 Chambers,R.L& Skinner, C.J Analysis of survey data Kigali : John Wiley & Sons, 2003. 376 pages C001.4an Book 30 30