A Textbook of Physical Chemistry " by is a widely used academic resource in Pakistan, specifically tailored for B.Sc., BS, and Associate Degree Program (ADP) students following the Higher Education Commission ( HEC ) syllabus. Availability and Access
Detailed looks at the Schrödinger equation and atomic structure Multan Kitab Ghar Electrochemistry:
Unfortunately, I couldn't find much information about an author named Sanaullah who has written a comprehensive text on physical chemistry. It's possible that Sanaullah is a lesser-known author or a student who has created study materials on physical chemistry.
While a complete, official "free download" PDF for the entire textbook is not widely hosted on standard legal platforms due to copyright, you can find related materials and purchase options through these channels: