Optimum allocation random stratified sampling survey

stratified proportion sampling

stratified random sampling

stratified random sampling method

stratified-random-sampling

sampling random sampling

acoustic propagation in deep sea

adaptive fuzzy proportion in tegration differentiation

agricultural population in proportion

anomalous sound propagation in sea water

Beams propagation in nonlocal kerr material

burning gas-wind in proportion

clonal propagation in vitro

crack propagation in antiplane shear

cumulative proportion in ANOVA

design in proportion of mixture

difference in proportion

forage grass in proportion to feed

high energy laser propagation in the atmosphere