TY  - BOOK
TI  - Chapter resources for differentiated instruction: the earth system
SN  - 9780078924712
U1  - DK12 530.76 [2012]
PY  - 2012///]
CY  - Columbus, OH : 
PB  - McGraw-Hill Education, 
KW  - Science
KW  - problems, exercises, etc
ER  -