Analysis of Fatty Acids in Wool Oil Extracted from Mongolian Sheep Wool using Gas Chromatography and Infrared Spectrophotometry, Erdenebaatar, Tserennadmid, Daramzav Otgonsuren, Enkhbat Bilguun, Damdinjav Davaadagva, Badamtsetseg Myagmarsuren, Otgonbayar Khatanbold, and Sukhee Munkhbat , Pharmacognosy Journal, August 2025, Volume 17, Issue 4, p.444-449, (2025)