Principles and techniques of supervision in physical education /
Irwin, Leslie William, 1900-
Principles and techniques of supervision in physical education / by Leslie W. Irwin and James H. Humphrey - Iowa : W.C. Brown : Dubuque, 1966 - 348 p. : ill. ; 24 cm.
Physical education teachers--Training of
Principles and techniques of supervision in physical education / by Leslie W. Irwin and James H. Humphrey - Iowa : W.C. Brown : Dubuque, 1966 - 348 p. : ill. ; 24 cm.
Physical education teachers--Training of
