Supporting Field Study with Personalized Project Spaces in a Geographical Digital Library. - Ee-Peng Lim; Aixin Sun; Zehua Liu; John G. Hedberg; Chew-Hung Chang; Tiong-Sa Teh; Dion Hoe-Lian Goh; Yin Leng Theng (ICADL, 2004)

Evaluating G-portal for geography learning and teaching. - Chew-Hung Chang; John G. Hedberg; Yin Leng Theng; Ee-Peng Lim; Tiong-Sa Teh; Dion Hoe-Lian Goh (JCDL, 2005)