Billy Ketkeophomphone (English Wikipedia)

Ghanem, Boris. "AFF Suzuki Cup 2020 : un an plus tard…". Lucarne opposée (in French). Archived from the original on 16 December 2021. Retrieved 16 December 2021.

lyonne.fr

Waymel, Dorian (6 January 2022). "Officiel – Loïc Kouagba et Billy Ketkeophomphone quittent Dunkerque" [Official – Loïc Kouagba and Billy Ketkeophomphone leave Dunkerque]. MaLigue2 (in French). Archived from the original on 7 January 2022. Retrieved 13 January 2022.

"Billy Ketkeophomphone". National Football Teams. Benjamin Strack-Zimmermann. Retrieved 22 October 2022.

"BILLY KETKEOPHOMPHONE SIGNE AU SO CHOLET". socholet.fr (in French). Retrieved 27 November 2019.

"Ketkeophomphone à Tours". SoFoot (in French). 31 January 2012. Retrieved 31 January 2012.
Denmat, Théo (8 September 2015). "Billy Ketkeophonphone: "J'ai un prénom, c'est juste Billy"". SoFoot.com (in French). Retrieved 20 July 2019.

"BILLY KETKEOPHOMPHONE S'ENGAGE AVEC L'USLD!". usldunkerque.com (in French). 27 May 2020.

"Billy Ketkeophomphone Racing Club de Strasbourg". Archived from the original on 4 April 2012. Retrieved 22 April 2010.
"Strasbourg - Bastia : Les groupes". Archived from the original on 21 December 2009. Retrieved 22 April 2010.
But Billy KETKEOPHOMPHONE (41') / Angers SCO - SC Bastia (1-0) - (SCO - SCB) / 2015-16. Ligue 1 Uber Eats. 4 October 2015. Archived from the original on 15 November 2019. Retrieved 21 December 2021 – via YouTube.
Waymel, Dorian (6 January 2022). "Officiel – Loïc Kouagba et Billy Ketkeophomphone quittent Dunkerque" [Official – Loïc Kouagba and Billy Ketkeophomphone leave Dunkerque]. MaLigue2 (in French). Archived from the original on 7 January 2022. Retrieved 13 January 2022.
Ghanem, Boris. "AFF Suzuki Cup 2020 : un an plus tard…". Lucarne opposée (in French). Archived from the original on 16 December 2021. Retrieved 16 December 2021.

"Billy Ketkeophomphone: Profile". worldfootball.net. HEIM:SPIEL. Retrieved 2 March 2022.