Jyrki T. J. Penttinen
Jyrki T. J. Penttinen has written at least 2 books. Their most popular book is 5G Explained with 1 save with an average rating of 3⭐.
Jyrki T. J. Penttinen has written at least 2 books. Their most popular book is 5G Explained with 1 save with an average rating of 3⭐.
1 Reader • 3
2021 • 368 pages