Jeongjinhwa tennis lesson videos App
Author: jeongjinhwa (former Kundong University Professor (Physical Education), the current tennis net (tennisnet.co.kr/ 2016. 1. 4. Current members 47.295 people), operators
Map: simjaechang professor, Dr. gojuyoung (Andong National University of Computer Engineering)
Anton church Lifelong Learning Center Computer programming produced in half

Tennis From the Home screen, select the button on the technology (serve, forehand, backhand, forehand volley, backhand volley, smash, returns, Grove, approach shot) and then pressing movie comes out this lesson.