TY - BOOK AU - Gardiner, Tony TI - Teaching Mathematics at Secondary Level (ebook) SN - 9781783741397 U1 - 510.712 PY - 2016/// CY - Birmingham PB - : Open Book Publishers KW - Mathematics -- Study and teaching (Secondary) KW - Education KW - Children's, Teenage and educational Mod UR - https://open.umn.edu/opentextbooks/textbooks/teaching-mathematics-at-secondary-level ER -