Hygienic evaluation of a system of programmed control over student knowledge

Zadorozhnyĭ, B.V.; Antonenko, N.A.

Gigiena i Sanitariia 1979(9): 85-86

1979


ISSN/ISBN: 0016-9900
PMID: 40845
Document Number: 148380

Document emailed within 1 workday
Secure & encrypted payments