TY  - BOOK
AU  - Gillham, Bill
TI  - Observation techniques : structured to unstructured
SN  - 9780826496294
PB  - Continuum
KW  - Experimental method  Observation
KW  - Observation techniques  Structured to unstructured
KW  - Structured observation
KW  - Visual ethnography
N1  - Includes bibliographical references and index
ER  -