Hirojiro Aoyama

On the chi-square test for weighted samples

Hirojiro Aoyama, 1953 .

Erratum to: A study of the stratified random sampling

Hirojiro Aoyama, 1954 .

Stratified random sampling with optimum allocation for multivariate population

H. Aoyama, Hirojiro Aoyama, 1962 .

A study of the stratified random sampling

H. Aoyama, Hirojiro Aoyama, 1954 .