Thattil, R. O., ed.
HANDBOOK on survey design and analysis - Peradeniya Postgraduate institute of agriculture 1999 - 146 p.
157205
Sampling
519.52 / HAN
HANDBOOK on survey design and analysis - Peradeniya Postgraduate institute of agriculture 1999 - 146 p.
157205
Sampling
519.52 / HAN