Complex sentence: The journal was established in 1924 as the Journalism Bulletin as the flagship journal of the Association of Education in Journalism and Mass Communication (AEJMC) and is published by SAGE Publications in association with the Association for Education in Journalism and Mass Communication.
Split into simpler sentences: The journal was established in 1924 as the "Journalism Bulletin", the flagship journal of the Association of Education in Journalism and Mass Communication (AEJMC). It is published by SAGE Publications in association with the Association for Education in Journalism and Mass Communication.