Sanaa Jabbar Katea, Mukhaled Muhammad Jassim Al-Yasiri and Salam Muhammad Hamza Al-Karaawi 2024. Bio-rhythm patterns among students practicing handball according to the nature of study in the Faculty of Physical Education and Sports Sciences. Mustansiriyah Journal of Sports Science. 1, 5 (Jun. 2024), 124–133. DOI:https://doi.org/10.62540/mjss.Conf2024.05.145.