Oleychenko Sergey Nikolaevich, Yegizbayeva Togzhan Kadylbekovna, Apushev Amangeldy Kairbekovich, и Nusipzhanov Nurdan Sebegatovich. «ASSESSMENT OF PROMISING LOCAL WALNUT FORMS FOR THE SOUTH AND SOUTH-EAST OF KAZAKHSTAN». «Доклады НАН РК», no. 5 (октябрь 12, 2020): 27–34. просмотрено январь 30, 2025. http://189185.vm7pq.group/reports-science/article/view/1030.