Abdu kareem K, Abdul kareem sareeh. Instant Qualitative Observation for Performance Information And Its Effect On Some Kinematical Variables Javelin Putting and Achievement In Javelin Throwers U18. jope [Internet]. 2019 Sep. 28 [cited 2024 Apr. 30];31(3):97-103. Available from: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/864