The notion of Iocally topological groupoid was introduced by Aof and Brown in . On the other hand in  by Mackenzie a topological groupoid MG, called monodromy groupoid, is constructed. In this paper we prove that this groupoid MG gives a Iocally topological groupoid.
MUCUK, Osman (1997) "Locally Topological Groupoids," Turkish Journal of Mathematics: Vol. 21: No. 2, Article 12. Available at: https://journals.tubitak.gov.tr/math/vol21/iss2/12