00481pamaa2200169 4500 0000031993 20090609090000.0 9812351965 QC21.2 LOO 2000 LOO WAN YONG Science in focus : physics for GCE 'N' level Loo Wan Yong, Loo Kwok Wai and See Toh Weng Fong. Singapore: Longman, 2000. 287p.: col. ill.; 27cm. Physics Loo Kwok Wai See Toh Weng Fong