Page 52. According to the introduction of "The Training Textbook for Joining the Party (2020 Edition)", the organizational line of the Party in the new period is on page 52 of the training textbook for joining the Party. Teaching Material for Party Membership Training (2020 Edition) is a book published by National School of Administration Press from June 20438 to October 2020/kloc-0. The author is the writing group of this book.