Here you will find the guide to the THINK for Bulgaria B2.1 training system. The audio recordings to the textbook are included in the electronic version of the textbook.

Here you will find the guide to the training system Flash on English for Bulgaria B2.1. The audio recordings to the textbook are included in the electronic version of the textbook.

Here you will find the manual to the training system English in Mind for Bulgaria B1.1. The audio recordings to the textbook are included in the electronic version of the textbook.