MacKenzie, Ossian.
Correspondence instruction in the United States; a study of what it is, how it functions, and what its potential may be [by] Ossian MacKenzie, Edward L. Christensen [and] Paul H. Rigby. - New York, McGraw-Hill [1968] - xv, 261 p. illus. 21 cm. - Carnegie series in American education .
Study sponsored by the American Council on Education and the National Commission on Accrediting.
Bibliography: p. 59-63.
68008663
Correspondence schools and courses--United States.
LC5951 / .M3 1968
Correspondence instruction in the United States; a study of what it is, how it functions, and what its potential may be [by] Ossian MacKenzie, Edward L. Christensen [and] Paul H. Rigby. - New York, McGraw-Hill [1968] - xv, 261 p. illus. 21 cm. - Carnegie series in American education .
Study sponsored by the American Council on Education and the National Commission on Accrediting.
Bibliography: p. 59-63.
68008663
Correspondence schools and courses--United States.
LC5951 / .M3 1968