Changes

=Copyright=

=Copyright=

Many sections of the materials have been compiled from readings of standard textbooks, conversations with subject experts and freely available information on the World Wide Web. Freely available and downloadable images have been used in illustrations. Wherever possible and known, we have acknowledged the sources and the authors have taken reasonable care to ensure there are no copyright violations. Should you come across any copyrighted content or image on this web resource, please contact us so that any material that is prevented by copyright from being shared on the KOER can be removed.

Many sections of the materials have been compiled from readings of standard textbooks, conversations with subject experts and freely available information on the World Wide Web. Freely available and downloadable images have been used in illustrations. Wherever possible and known, we have acknowledged the sources and the authors have taken reasonable care to ensure there are no copyright violations. Should you come across any copyrighted content or image on this web resource, please contact us so that any material that is prevented by copyright from being shared can be removed.