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| Title | Author | Subscribers | Issues | Platform | Active | Language | |
|---|---|---|---|---|---|---|---|
 | Sergey’s Substack | Sergey Frolov | 16 |  |  | ||
 | Sergei’s Substack | Sergei A. Frolov | 2 | | | ||
 | Serge’s Substack | Sergei A. Frolov | 1 | | |