Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
2(31) O17863
United States. Department of Health, Education, and Welfare. Public Health Service Pseudoreplication further evaluation and application of the balanced half-sample technique Washington: National Center for Health Statistics, 1969