Found 3,360 results for "Sampling Studies"
by William Gemmell Cochran
by Geographical Association.
by Geographical Association
by Lyndon B. Johnson Space Center.
by John L. Newton
by Gary J. A. De Leeuw
by Basil Matthews
by Alain Théberge.
by Gerald J. Lazorick
by Great Britain. Ministry of Education.
by A. B. A. Hutson
by David Jones
by Alberta. Air Quality Control Branch.
by Ruth E. Arrington
by M. A. Hidiroglou
by Juhani Vainio-Mattila
by Association of Agriculture.