ABBA penalty shoot-out trial by Uefa - Dutch Referee Blog

ABBA penalty shoot-out trial by Uefa during Uefa Under 17 tournaments for women (in Czech Republic) and Men (in Croatia).

The 5 worst things about the new ABBA penalty shoot-out as Arsenal win Community Shield in bizarre fashion - Mirror Online

case study Archives - Dutch Referee Blog

Andrew Christiansen: 2016-2017 season was milestone for referees from Faroe Islands - Dutch Referee Blog

case study Archives - Dutch Referee Blog

World Cup penalty shootout rules: How it works, ABBA system or ABAB, Football, Sport

Fifa rule out 'fairer' ABBA system for penalty shoot-outs

Dutch referee at centre of Scotland vs Spain Var row named in MATCH FIXING probe

Penalty shootouts: Academics find fairer format, but will football accept it?

What is the ABBA penalty shootout format? The new spot-kicks system used at the Community Shield explained - Mirror Online

What is the ABBA penalty shootout format? The new spot-kicks system used at the Community Shield explained - Mirror Online