- en.wikipedia.org Innovation
- awn.com animationworld/far-beyond-traditional-cel…
- forbes.com sites/forbescoachescouncil/2017/05/11/…
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- spinoff.nasa.gov Spinoff2010/ct_1.html
- kinobaza24.ru biography/biografiya-lva-yashina-…Some of his tactics were innovatory, later becoming traditional goalkeeping techniques. For instance, Lev Yashin was one of the first goalkeepers to pass the ball...
- mdpi.com journal/energies/special_issues/…
- Tigris-shop.ru biography-of-lev-yashin-briefly-in…Throughout his career, Yashin revolutionized the role of the goalkeeper. He was known for his exceptional reflexes, innovative goalkeeping techniques...