Hartley, James.
Designing instructional text / James Hartley. - 2nd ed. - London : Kogan Page, 1985. - 175 p. : ill. ; 30 cm.
Teaching--Aids and devices.
Textbooks--Authorship.
Printing--Style manuals.
070.52
Designing instructional text / James Hartley. - 2nd ed. - London : Kogan Page, 1985. - 175 p. : ill. ; 30 cm.
Teaching--Aids and devices.
Textbooks--Authorship.
Printing--Style manuals.
070.52