TY - BOOK AU - Lee-Chua, Queena N. TI - Why is math so hard? and many other tips to keeping a sound body and a sound mind SN - 978-971-27-1921-9 U1 - Fil. 510.71 L477 2007 PY - 2007/// CY - Manila PB - Anvil Publishing, Inc. KW - Mathematics - Study and teaching ER -