Tác giả: The State University of New Jersey, USA) Crabtree Benjamin F. (Rutgers

Benjamin F. (Rutgers, The State University of New Jersey, USA) Crabtree & William L. (Lehigh Valley Health Network, Pennsylvania, USA) Miller: Doing Qualitative Research

Benjamin F. (Rutgers, The State University of New Jersey, USA) Crabtree & William L. (Lehigh Valley Health Network, Pennsylvania, USA) Miller: Doing Qualitative Research