00493pamaa2200169 4500 0000039140 20090909090000.0 0749431105 (pbk.) 371.358 SAL LB2395.7 SAL 2000 SALMON E-moderating : the key to teaching and learning online Gilly Salmon. London: Kogan Page, 2000. xii, 180p.; 24 cm. Distance education Computer-assisted instruction Effective teaching