In the name of God, with greetings and respect; "Acoustics book (acoustics) by Leo Beranek in the original language in high quality" - at your service.

With a separate pdf reader placed next to the book, with which you can read other pdfs on your device.

We are very pleased and thank you for viewing the other programs of this group

✔🔴 Note: A percentage of the sale of this product is donated to the Mahak charity fund. 🔴✔

Be successful and healthy.