Risk, Thomas M. b. 1885. Principles and practices of teaching in secondary schools. [electronic resource] . — 2d ed.. — New York, : American Book Co., [1947]. — viii, 728 p. : diagrs. 23 cm.

Includes bibliographies.



LCCN: 47006078

Subjects--Topical Terms:
Education--Experimental methods.
Education, Secondary.
Educational psychology.

LC Class. No.: LB1607 / .R5 1947