00373nam a2200073   4500000000100000008004100001245012600042856013100168       2021                            d00aResearch Study on Assessing the Effectiveness of Migration Restrictions in Ulaanbaatar City and Migrants’ Vulnerability  uhttps://publications.iom.int/books/research-study-assessing-effectiveness-migration-restrictions-ulaanbaatar-city-and-migrants