: Socionics schools often disagree. It is helpful to download works from different authors (e.g., the Kiev school vs. the Moscow school) to see different interpretations of the "bolyavaya" (vulnerable) function and intertype relationships.
: Offers PDF resources such as Irina Eglit’s popular self-teaching guide on determining personality types. skachat knigi po sotsionike
: Most free downloads are in PDF, EPUB, or FB2 . If you find a .rar file, you will need a tool like WinRAR or Unarchiver to extract the books. : Socionics schools often disagree