Chris Szolyga books & textbook
Study Guide College Baseball Rules 2017-18
George Demetriou Chris Szolyga Matt Bowen
Referee Enterprises, Inc. and the National Association of Sports Officials (NASO) /2016-11-29 Perfect Paperback / 240 Pages
isbn-10: 158208341X / isbn-13: 9781582083414
Baseball Warnings & Ejections
Jeffrey Stern Brent Killackey Chris Szolyga Referee Enterprises Inc Dustin Brown
Referee Enterprises, Inc. and the National Association of Sports Officials (NASO) /2015-11-01 Perfect Paperback / 88 Pages
isbn-10: 1582083126 / isbn-13: 9781582083124
Officiating in the Future Tense, Change Mindsets, Build Intelligence
Brent Killackey Rick Woelfel Todd Korth Justin Marien Jeffrey Stern Chris Szolyga Referee Enterprises Inc Matt Bowen
Referee Enterprises, Inc. and the National Association of Sports Officials (NASO) /2016-10-24 Perfect Paperback / 110 Pages
isbn-10: 1582083320 / isbn-13: 9781582083322
Evaluations & Officiating Performance
Jeffrey Stern Todd Korth Brent Killackey Justin Marien Chris Szolyga Referee Enterprises Inc. Matt Bowen
Referee Enterprises, Inc. and the National Association of Sports Officials (NASO) /2015-10-16 Perfect Paperback / 120 Pages
isbn-10: 1582083088 / isbn-13: 9781582083087
