References
Books
- Bell, Randy. National Educational Technology Standards for Students Curriculum Series: Science Units for Grades 9-12. City: ISTE, 2005.
- Gibbons, Patrick. Physics. Boston: Barron's, 1992.
Webliography
1. physics.unipune.ernet.in/~phyed/23.1/23.1_teaching.pdf
2. www.nzifst.org.nz/unitoperations/httrtheory3.htm