If you need the specific listening exercises for the 3rd-grade Happy English course, they are available for free at AudioLang.info .
To find or download the "Happy English-3" workbook (Rabochaya Tetrad) by authors K.I. Kaufman and M.Y. Kaufman, you can use the following online resources: skachat gdz po happy english-3 rabochaia tetrad
The "Happy English" series is written by Klara Isaakovna Kaufman , a well-known pedagogue and author whose books are frequently included in official educational lists. If you need the specific listening exercises for
You can find PDF versions of the workbook and accompanying audio files on community-shared platforms. For instance, a workbook and textbook for the 3rd grade are hosted on Yandex.Disk via a VK community post . skachat gdz po happy english-3 rabochaia tetrad