TY - BOOK T1 - An introduction to educational research A1 - Travers 1913- LA - English PP - New York PB - MacMillan YR - 1978 ED - 4th ed UL - http://discoverylib.upm.edu.my/discovery/Record/367503 OP - 446 CN - LB1028 T7 1978 SN - 0024213705 KW - Education : Research ER -