TY  - BOOK
AU  - Hopkins, Terence K.
AU  - Wallerstein, Immanuel.
TI  - World systems analysis: theory and methodology 
SN  - 0803918100
U1  - 330.9.1 
PY  - 1982///
CY  - London
PB  - Sage publication
KW  - methodology
N1  - VOL 1
ER  -