Theng, Y., Goh, D. H., Lee, C. K., Lim, E. P., Liu, Z., & Information, W. K. W. S. o. C. a. (2011). Digital libraries to knowledge portals: Towards a global knowledge portal for secondary schools in Singapore.

Theng, Yin-Leng, Dion Hoe-Lian Goh, Chu Keong Lee, Ee Peng Lim, Zehua Liu, and Wee Kim Wee School of Communication and Information. Digital Libraries to Knowledge Portals: Towards a Global Knowledge Portal for Secondary Schools in Singapore. 2011.

Theng, Yin-Leng, et al. Digital Libraries to Knowledge Portals: Towards a Global Knowledge Portal for Secondary Schools in Singapore. 2011.