Some Firefox users may need to log in more than once to log in. It's a known Firefox bug. Check "keep me logged in," it might help.

Es posible que algunxs usuarixs de Firefox tengan que conectarse más de una vez para iniciar sesión. Es un error conocido de Firefox. Marca "keep me logged in" (mantenerme conectado), puede ayudar.


Teaching Resources: Revision history

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

9 June 2021

9 October 2013

30 July 2013

22 August 2012

28 July 2012

21 February 2012