# International Law of Customs Unions: Conceptual Variety, Legal Ambiguity and Diverse Practice

> Research article (European Journal of International Law, 2019) · cited 23× · AI/ML

**Wikidata**: [openalex:W2964039863](https://www.wikidata.org/wiki/openalex:W2964039863)  
**Source**: https://4ort.xyz/entity/international-law-of-customs-unions-conceptual-variety-legal-ambiguity-and-diverse-practice