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Jerry Grunska
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Football Officials Guidebook
Jeffrey Stern, George Demetriou, Jerry Grunska · Referee Enterprises, Inc.
272 sayfa · 2004
Kategori yok
Better Football Officiating
Tom Hammill, Jerry Grunska, George Demetriou · Referee Enterprises Inc
Sayfa sayısı yok · 1996
Football - General / Sports & Recreation / Sports / Football / Football referees
Football Officials Guidebook ¿ Mechanics For Crews of Four & Five Officials
Jeffrey Stern, George Demetriou, Jerry Grunska · Referee Enterprises
300 sayfa · 1999
Football / Officiating / Sports & Recreation / Football / Football - General / Sports & Recreation
Football Officials Guidebook: Crews of Four and Five
Jeffrey Stern, George Demetriou, Jerry Grunska · Referee Enterprises Inc
Sayfa sayısı yok · 2006
Football - General / Sports / Sports & Recreation