Ossazhanova, Elmira K. “Documents of the State Archive of the Karaganda Region on Scientific and Technical Documentation: From the History of Breeding Experiments in Karlag”. Zhana Arkhiv 5, no. 1 (March 20, 2026): 86–94. Accessed October 7, 2026. https://zhana-arkhiv.targetkz.space/zhana-arkhiv/article/view/195.