00408 a2200145 4500 001.4 HAN 23499 37836 Thattil, R. O ed. Handbook on survey design and analysis Peradeniya Postgraduate Institute of Agriculture University of Peradeniya 1999 1999 [iii],146p. 25cm Research Knowledge L 50738 50738 0 0 0 0 LEN MKDL MKDL LEN 2009-08-27 0 001.4HAN 62872 2016-02-10 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MKDL MKDL LEN 2009-08-27 1 001.4HAN 62871 2026-04-20 10:56:30 2026-03-09 0.00 2016-10-31 L 0 0 ddc 0 0 LEN MKDL MKDL LEN 2010-03-26 0 001.4 HAN 61238 2010-03-26 00:00:00 0.00 2016-10-31 L