https://abukhadeejah.com/intercession-shafaaah-in-islaam-the-permissible-and-impermissible-shaikh-ahmad-an-najmees-kitaab-at-tawheed-chapter-16/
Chapter 16: Intercession (Shafā'ah) In Islam: The Permissible And Impermissible: Kitāb At-Tawheed.