عبد الستار هاشمم, حسن رزوقيط. Study the performance of some physical and mental capacity for the day zero and embarrassment according to bio-rhythm. jope [Internet]. 2Jun.2019 [cited 17Aug.2021];20(3):184-99. Available from: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/789