: Websites like Khan Academy, Coursera, and edX offer courses on electronics and circuit theory that might supplement your studies.

: Offers comprehensive chapter-by-chapter slide sets, such as those for Chapter 1: Semiconductor Diodes and Chapter 8: FET Amplifiers .

Many search results lead to sites like SlideShare, Scribd, or various file-hosting services. While these may host user-uploaded versions of the slides or chapter summaries, they come with risks: