Algebraic number theory a brief introduction per Chahal, J.S

Quadratic number theory an invitation to algebraic methods in the higher arithmetic per Lehman, J. L. (James Larry) 1957-

Available for University of the Philippines Diliman via EBSCO. Click here to access
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A conversational introduction to algebraic number theory arithmetic beyond Z per Pollack, Paul

Algebraic number theory and Fermat's last theorem per Stewart, Ian 1945-, Tall, David Orme

Unit equations in Diophantine number theory per Evertse, Jan-Hendrick, Gyory, Kalman

Algebraic number theory per Jarvis, Frazer

A course in analytic number theory per Overholt, Marius

Forum of mathematics, sigma.

Available for UP System via Cambridge Core eJournals Collection

Quadratic irrationals an introduction to classical number theory per Halter-Koch, Franz 1944-

An introduction to hopf algebras per Underwood, Robert G. (Robert Gene)

Available for UP System via Springer Link.