Layton, Robert D. Professional aquatic management / Robert D. Clayton, David G. Thomas

Professional aquatic management / Robert D. Clayton, David G. Thomas . - 2nd ed . - Champaign : Human Kinetics, 1989 . - IX, 194 p. : il. 25 cm
0873222172
Piscina - Manutençäo
Desportos aquáticos - Ensino

797.2
371.624