TY  - BOOK
AU  - Duiker, William J.
AU  - Duiker, William J.
AU  - Spielvogel, Jackson J.
TI  - World history
SN  - 978-1-337-40104-3
U1  - 909 D883 2019 
CY  - Boston
PB  - Cengage Learning.
KW  - World history
ER  -