Byrd, E. Oliver.
Health, level eight / Oliver E. Byrd, Elizabeth A. Neilson and Virgina D. Moore. - 3rd ed. - California : Laidlaw brothers publishing, c 1970. - 288 p. : ill. ; 23 cm. - Laidlaw health series. .
300 300
Health education.
Promotion of health.
613 / B996h
Health, level eight / Oliver E. Byrd, Elizabeth A. Neilson and Virgina D. Moore. - 3rd ed. - California : Laidlaw brothers publishing, c 1970. - 288 p. : ill. ; 23 cm. - Laidlaw health series. .
300 300
Health education.
Promotion of health.
613 / B996h