Balykin Alexey Anatolyevich, Shashkarov Leonid Gennadievich, Mefodyev Georgiy Anatolyevich, и Semenov Vladimir Grigoryevich. 2020. «LEAVES AREA OF SPRING WHEAT PLANTS DEPENDING ON PRESEEDING TREATMENT OF SEEDS AND VARIETIES». «Вестник НАН РК», вып. 2 (апрель):70-75. http://89.250.84.46/bulletin-science/article/view/781.