https://www.uva.nl/shared-content/programmas/en/masters/international-and-european-law-public-international-law/study-programme/study-programme.html
Look at the study programme of the Master's track Public International Law of the University of Amsterdam.
public international lawstudyprogrammeeuropeanuniversiteit
https://www.legal500.com/c/london/dispute-resolution/public-international-law
Market-leading analysis, rankings and editorial commentary - see the top law firms & lawyers in Public international law in London
public international lawlondonfirmlawyer
https://www.cambridge.org/highereducation/books/an-introduction-to-public-international-law/8AFCF628F7FC4C2117C3236CE3C0955C/resources/instructor-resources/128502EEF705EB679586AC7206EE4EEF
Online textbooks and resources for students and instructors, supporting teaching and learning, via Cambridge Aspire website.
an introduction topublic international lawresourcescambridgeaspire