The training and development process during childhood and adolescence of a multiple Ballon d'Or-nominated soccer player - Tønnessen, E.; Sandbakk, S. B.; Apold-Aasen, S.; Sandbakk, Ø.; Haugen, T. A. (Frontiers in Sports and Active Living, 2025)
Keywords: soccer; junior elite sport; child; youth; name of a person; performance development; training; talent; development; coaching; Switzerland; sport games; junior sports