Here I shared link to download a book for Process Control subject. this book helpful in your study.

https://drive.google.com/open?id=0B8_qPz-3Uw8OYXJrZUZ6dUhPZ0k

https://drive.google.com/open?id=0B8_qPz-3Uw8OcHdWTkJLTG5ocVk


Enjoy reading..........