Хайлтын үр дүнгүүд - American Public Health.

Control of communicable diseases in man -н Benenson, Abram S.

“…American Public Health.…”

American journal of public health

“…American Public Health Association…”
Available in Education Source.

Caring for our children : national health and safety performance standards, guidelines for early care, and education programs.

“…APHA Press, imprint of American Public Health Association ; American Academy of Pediatrics ; National Resource Center for Health and Safety in Child Care and Early Education,…”
Digitalia Hispánica