Swimming coaches’ professional development and training practices: an international survey oleh Athanasios A. Dalamitros, Alexandros Nikolopoulos, Katerina Varsamidou, Vassilios Gourgoulis, Aglaia Zafeiroudi, Andreas Loukovitis, Vicente Javier Clemente-Suárez, Vicente Javier Clemente-Suárez, José Francisco Tornero-Aguilera, Cormac Powell, Cormac Powell, Cormac Powell