00462pamaa2200157 4500 0000039154 20090909090000.0 0749414553 (pbk) 371.35 LOC LC5800 LOC 1998 LOCKWOOD The design and production of self-instructional materials Fred Lockwood. London: Kogan Page, 1998. xvi, 160p.; 24 cm. Educational technology Teaching -- Aids and devices