Ruediger, Willian Carl.
Teaching procedures / Willian Carl Ruediger. - London : Harrap, 1932. - xiv, 471 p. : ill. ; 20 cm.
Includes bibliography and index.
Teaching.
371.3 / RUT
Teaching procedures / Willian Carl Ruediger. - London : Harrap, 1932. - xiv, 471 p. : ill. ; 20 cm.
Includes bibliography and index.
Teaching.
371.3 / RUT