TY - BOOK AU - Altrichter,Herbert AU - Posch,Peter AU - Somekh,Bridget TI - Teachers investigate their work: an introduction to the methods of action research SN - 0415093562 AV - LB1028.24 A4.7 PY - 1993/// CY - London PB - Routledge KW - Educación KW - Investigación ER -