roller derby
Links
| Lesson #1: Duties, skills, and ethics — The Zen of... | https://roller-derby.frama.io/the-zen-of-reffing/duties_skills_and_ethics.html |
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| NFHS Learn | Interscholastic Education, Made Easy | https://nfhslearn.com/ |
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| Roller Derby Stats & Rankings | Flat Track Stats | http://flattrackstats.com/ |
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| SportsEngine | Sign In Step 1 | https://user.sportngin.com/users/sign_in?user_return_to=https%3A%2F%2Fmy.sportngin.com%2Fuser%2Faccount |
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| The Rules of Flat Track Roller Derby — The Rules o... | https://rules.wftda.com/ |
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| WFTDA Online Learning & Certification | https://learning.wftda.org/enrollments |
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| WFTDA Penalty Quick Reference Guide | https://static.wftda.com/officiating/wftda-penalty-quick-reference-guide.pdf |
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