TY - BOOK ED - Redspot. TI - GCE O-level: additional mathematics 1990 - 1998 PY - 0000///c[n.d.] CY - Singapore PB - Redspot KW - Additional mathematics KW - Sears List of Subject Headings N1 - Includes worked solutions, year by year papers range between 1990 - 19998 ER -