Penalty shootouts: EFL to trial 'ABBA' format in 2017-18 - BBC Sport

The "ABBA" format for penalty shootouts will be implemented in all English Football League competitions in 2017-18.

FIFA 22, New * ABBA Penalty shootout

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

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

latest football news – Page 2 – letstalkfootballng

latest football news – Page 2 – letstalkfootballng

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

UEFA to trial alternative 'ABBA' system for penalty shoot-outs - Eurosport

2017–18 Yeovil Town F.C. season - Wikipedia

The fairness of long and short ABBA-sequences: A basketball free-throw field experiment - ScienceDirect

FIFA World Cup set to use 'ABBA' format for Penalty Shoot-Out

Daily Star (2021.06.06), PDF, Mass Media

English Football League to trial 'ABBA' penalty shootout format - Sports Illustrated

EFL to trial new penalty format 17/18 – Penalty shootouts may never be the same again – Team Grassroots

New penalty shootout system known as 'ABBA' to be trialled