Source: /cirosantilli/introductory-quantum-mechanics-by-richard-fitzpatrick-2020

= Introductory Quantum Mechanics by Richard Fitzpatrick (2020)
{c}

https://phys.libretexts.org/Bookshelves/Quantum_Mechanics/Introductory_Quantum_Mechanics_(Fitzpatrick)

This <LibreTexts> book does have some interest!