Aitymov, A.K., and M.S. Yamburov. “Study of the Anatomical Structure of the Aboveground Organs of Catalpa Speciosa of the 1st Year Vegetation”. Fundamental and Experimental Biology 10928, no. 1 (March 30, 2023): 13–21. Accessed December 18, 2025. https://feb.buketov.edu.kz/bmg-vestnik/article/view/328.