Ali Fattah Rasheed. The effect of the gradient by the distance of the transmitter and the height of the net in the development of the skill of the transmitter from the bottom and the accuracy and development of perception (sense - kinetic) of the distance and vertical space of the arm in the fifth grade students. ms. 2020;19(1):0064-0075. doi:10.54702/msj.2020.19.1.0064