Ballard, Philip Boswood.
The changing school / Philip Boswood Ballard. - London : University of London Press, 1935. - 332 p. ; 18 cm.
Includes index.
310 310
School management; special education.
Teaching.
370.1 / B212c
The changing school / Philip Boswood Ballard. - London : University of London Press, 1935. - 332 p. ; 18 cm.
Includes index.
310 310
School management; special education.
Teaching.
370.1 / B212c