Abdu kareem, K. and Abdul kareem, sareeh 2019. Instant Qualitative Observation for Performance Information And Its Effect On Some Kinematical Variables Javelin Putting and Achievement In Javelin Throwers U18. Journal of Physical Education. 31, 3 (Sep. 2019), 97–103. DOI:https://doi.org/10.37359/JOPE.V31(3)2019.864.