TY  - BOOK
AU  - Bernard,H.Russell
TI  - Social research methods: qualitative and quantitative approaches 
SN  - 9781412978545 (cloth)
AV  - H62 B47 2013
PY  - 2013///
CY  - Los Angeles
PB  - SAGE Publications
KW  - Social sciences
KW  - Research
KW  - Methodology
N1  - Incluye referencias bibliográficas e índice; Preface -- About the author -- About social science -- The foundations of social research -- Preparing for research -- Research design : experiments and experimental thinking -- Sampling : the basics -- Sampling theory -- Nonprobability sampling -- Interviewing I : unstructured and semistructured
ER  -