TY - BOOK AU - Rossman, Gretchen B. AU - Rallis, Sharon F. TI - Learning in the field: an introduction to qualitative research SN - 9781412980487 U1 - 300.72 ROS R PY - 2012/// CY - London PB - Sage Publications Ltd. KW - Researcher competent - ethical KW - Research planning KW - Qualitative research KW - Education ER -