A guide for vision screening of school children in the public schools of California

A guide for vision screening of school children in the public schools of California

書誌詳細
団体著者: California. Joint Committee on School Health
フォーマット: 図書
言語:English
出版事項: Sacramento, Calif. California State Dept. of Education 1953.
主題:
Eye > Care and hygiene.
Vision > Testing.