If you cannot buy the physical book, consider these options:
If you type into a search engine, you will likely find links leading to VK.com. Why VK, a Russian social network, rather than Google Drive or Dropbox? Grammaire Progressive Du Francais Perfectionnement Pdf Vk
For any learner targeting DALF C1 or C2, or for teachers preparing advanced curricula, this book is non-negotiable. If you cannot buy the physical book, consider
: Many VK communities share the Corrigés (answer keys) separately, which are essential for self-study. Key Features of the Perfectionnement Level a Russian social network