Sembayeva , Z., L. Ayanasova, и A. Darivkhan. «RESEARCH EFFICIENCY OF INTEGRATION BIOLOGY WITH ENGLISH LANGUAGE SUBJECT ». EurasianUnionScientists, т. 2, вып. 12(81), январь 2021 г., сс. 4-9, https://archive.euroasia-science.ru/index.php/Euroasia/article/view/331.