AU - تحسين، تحسين حسني AB - When using assistant teaching that is basic necessary for help teachers in simplified Learning and development tennis skills, by using two kinds of smooth and natural Balls in learning practice. Fourteen beginners’ subjects for study during summer, holidays at Al Saed club. The application of basic skill tests in accuracy Performance. The result reviled that gaur using smooth ball better than group using natural ball in accuracy for hard and back hand also, the showed best percentage of development for two groups. The researcher recommend that using smooth bolls at Learning accuracy skills. (Published abstract) http://search.shamaa.org/abstract_en.gif OP - ص ص. 274-285 T1 - تأثير استخدام الكرات الملساء والاعتيادية في تعلم دقة الإرسال والضربتين الأمامية والخلفية بالتنس للناشئين [مقال] UL - https://www.iasj.net/iasj/article/156003 النص الكامل (PDF) 1 http://search.shamaa.org/fulltext.gif