Dieter Hackfort, "The Routledge International Encyclopedia of Sport and Exercise Psychology: Volume 2: Applied and Practical Measures " English | ISBN: 1138734462 | 2020 | 754 pages | PDF | 14 MB
Dieter Hackfort, "The Routledge International Encyclopedia of Sport and Exercise Psychology: Volume 1: Theoretical and Methodological Conc" English | ISBN: 1138734411 | 2020 | 726 pages | PDF | 11 MB