-
401
-
402
-
403
-
404
-
405
-
406
-
407
-
408
The estimation of parameters of unsampled strata in a two-way stratified sample
Cyhoeddwyd 1970Traethawd Ymchwil -
409
The use of alphabetically listed frame in stratified sampling design
Cyhoeddwyd 1970Traethawd Ymchwil -
410