Development of Media Strike Zone for Pitching Learning Process on Softball

• 主要な著者: Roas Irsyada (著者), Bambang Priyono (著者), Ipang Setiawan (著者), Agus Widodo (著者)
• フォーマット: 図書
• 出版事項: Universitas Negeri Semarang, 2019-07-01T00:00:00Z.
• 主題: article
• オンライン･アクセス: Connect to this object online.

Softball games are one form of small ball games learned at school. In the softball game there is strike zone, which is an imaginary field between the elbow and the knee of a batter, and is above the home base. Students find it difficult to find the strike zone so that when throwing pitchers always &...