A Study on the Evolution of the Negative Particles "busu" and "bisi" in the Mongolian Language. Mong. J. Humanit. Soc. Sci. [Internet]. 2026 Jun. 5 [cited 2026 Jun. 30];11(22):8-26. Available from: https://www.mongoliajol.info/index.php/MJHSS/article/view/4964