The textbook , written by I.G. Semakin and published by Binom (2011/2012), is widely used in Russian general education. You can access or download various versions of the textbook and related materials through the following resources:
: A direct PDF of a later edition (2015) is available through School №579 . i.g.semakin informatika i ikt 9 klass binom 2011 skachat
: You can find the full textbook on educational sites like 11book or alleng.org , which often hosts different editions (2012, 2015). The textbook , written by I