Rowntree, Derek. Teaching through self-instruction : a practical handbook for course developers / Derek Rowntree. - New York : Nichols Pub. Co., c1986. - 386 p. : ill. ; 24 cm. Includes index. ISBN: 0893972509 : Subjects--Topical Terms: Distance education.Self-culture. Dewey Class. No.: 371.4 / ROT 1986