Otgonkhuu T-I, Enkh-Amgalan S, Amanguli S. Issues of determining the effects of migration on population growth in Ulaanbaatar. Proc. Mong. Acad. Sci. [Internet]. 2023 Nov. 30 [cited 2025 Oct. 27];63(03):10-2. Available from: https://test.mongoliajol.info/PMAS/article/view/3403