Introduction to Modern Algebra by David Joyce (Clark University)
https://drive.google.com/file/d/1HjvyIvqsfajfc19jtRuNqZ0EGRYP8tK-/view?usp=sharing
https://drive.google.com/file/d/1HjvyIvqsfajfc19jtRuNqZ0EGRYP8tK-/view?usp=sharing
$$\langle \text{Konstantinos} \mid \text{Michailidis} \rangle$$

