TY - BOOK AU - Yu, Cheng Chung. TI - 0 level essential study guide: additional mathematics [geometry and trigonometry] T2 - SAP SN - 9789812744524 AV - QA 37.3 .Y901 2010 PY - 2010/// CY - Singapore PB - Singapore Asian Publications KW - Mathematics KW - Textbooks KW - Geometry KW - Trigonometry ER -