If you are referring to supplementary didactic materials or workbooks (which are common for authors like Repin in middle school history), here is a general summary based on user consensus for such resources: Common Review Highlights
The names "Stepanov" and "Repin" often appear separately in historical and educational contexts:
: Parents and teachers often highlight the "convenient form of material presentation," noting that well-organized workbooks make it easier for students to visualize the past through maps and charts.