[SCIENTIFIC-METHODICAL CONFERENCE ON PROBLEMS OF SANITARY EDUCATION].
D006801:Humans; D011634:Public Health; D012499:Sanitation; D012574:Schools; D012581:Schools, Public Health; D014455:Ukraine
SANITATION; SCHOOLS, PUBLIC HEALTH; UKRAINE
NAUCHNO-METODICHESKAIA KONFERENTSIIA PO VOPROSAM SANITARNOGO PROSVESHCHENIIA.