[Hygienic principles of organizing the academic and vocational methods in secondary vocational and technical schools].
D000293:Adolescent; D000367:Age Factors; D006801:Humans; D006920:Hygiene; D013663:Teaching / Q000379:methods; D013997:Time Factors; D014586:USSR; D014829:Vocational Education / Q000379:methods*
Gigienicheskie printsipy organizatsii uchebno-proizvodstvennogo protsessa v srednikh professional'no-tekhnicheskikh uchilishchakh.