TY  - GEN
AU  - Thattil , R.O
AU  - Samita , S
AU  - Dematawewa , C.M.B
AU  - Gunaratne , L.H.P
AU  - C. Sivayoganathan
AU  - Peiris , T.S.G 
AU  - Chandrasiri , C.W.J
TI  - Hand book on survey design and analysis
U1  - 001.433 
PY  - 1999///
CY  - University of Peradeniya
PB  - Postgraduate Institute of Agriculture
KW  - PRINCIPLES OF EXPERIMENTAL DESIGNS
KW  - ANALYSIS OF BINARY DATA
KW  - COMMONLY USED DESIGNS
ER  -