Takibayeva А.T., Kassenov R.Z., Demets О.V., Zhumadilov S.S. и Bakibayev А.А. 2021. DERIVEBETULINFROM KYRGYZ BIRCH BARK(BETULAKIRGHISORUM) THROUGH ALKALINE HYDROLYSIS AND MICROWAVE RADIATION METHODS. Научный журнал «Доклады НАН РК». 4 (авг. 2021), 87–92. DOI:https://doi.org/10.32014/2021.2518-1483.63.