Principles of class teaching/
Smith, Frank
Principles of class teaching/ by Frank Smith - London, New York : Macmillan and co., limited, 1939. - xxxvi, 442 p.; 18 cm.
Teaching.
371.3 SMI
Principles of class teaching/ by Frank Smith - London, New York : Macmillan and co., limited, 1939. - xxxvi, 442 p.; 18 cm.
Teaching.
371.3 SMI