Социальная структура общества. История, 9 класс - ЯКласс
Standard federal history textbooks for 9th grade are usually authored by Danilov, Kosulina, Torkunov, or Medinsky. "Sokolova" might be the author of a highly specific workbook, a regional textbook, or a set of independent assessment tests. gdz po istorii 9 klass sokolova sotsialnaia struktura
Highly prone to errors because online portals often confuse History with Social Studies (which also covers "Social Structure" in 9th grade but from a sociological standpoint). Социальная структура общества
Citation: Jianwei Li, Xiaofen Han, Yanping Wan, Shan Zhang, Yingshu Zhao, Rui Fan, Qinghua Cui, and Yuan Zhou. TAM 2.0: tool for microRNA set analysis. Nucleic Acids Research, Volume 46, Issue W1, 2 July 2018, Pages:W180–W185.
Ming Lu, Bing Shi, Juan Wang, Qun Cao and Qinghua Cui. TAM: A method for enrichment and depletion analysis of a microRNA category in a list of microRNAs. BMC Bioinformatics 2010, 11:41