Using of biorhythms at school by the application of physical activity

JANČOKOVÁ, Ľudmila. Using of biorhythms at school by the application of physical activity. In Health and physical activities in lifestyle among children and youth : conference textbook of invited lectures. 1. vyd. - Banská Bystrica : Matej Bel University in Banská Bystrica, 2015. ISBN 978-80-554-1141-5, cD-ROM, s. 80-89.