[SOME HYGIENIC PROBLEMS OF SHIFT EDUCATION. II. CONTRIBUTION TO THE EVALUATION OF PSYCHICAL OUTPUT OF CHILDREN IN THE FORENOON AND AFTERNOON CLASSES].
D002648:Child; D003604:Czechoslovakia; D004526:Efficiency; D006801:Humans; D007361:Intelligence Tests; D008606:Mental Processes; D012572:School Health Services
CZECHOSLOVAKIA; EFFICIENCY; INTELLIGENCE TESTS; MENTAL PROCESSES; SCHOOL HEALTH
N EKTER'E HYGIENICK'E PROBL'EMY SM ENN'EHO VYU COV'AN'I. II. P R'ISP EVEK K HODNOCEN'I PSYCHICK'E V'YKONNOSTI D ET'I V DOPOLEDN'I A ODPOLEDN'I SM EN E.