The effects of individually personalized computer-based instructional program on solving mathematics problems. - Heng-Yu Ku; Christi A. Harter; Pei-Lin Liu; Ling Thompson; Yi-Chia Cheng (Comput. Hum. Behav., 2007)

The effects of spatial contiguity within computer-based instruction of group personalized two-step mathematics word problems. - Christi A. Harter; Heng-Yu Ku (Comput. Hum. Behav., 2008)