| URL | Title | Id |
|---|---|---|
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_3_7_024.html | Chapter 1. | 4fc8ff34b11c0ff73d000000 |
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_3_7_024_dlap.xml | DLAP questions | 4fc8ff34b11c0ff73d000000 |