Communication and Mass Media Complete This link opens in a new windowCommunication & Mass Media Complete provides quality research solution in areas related to communication and mass media. CMMC incorporates the content of CommSearch (formerly produced by the National Communication Association) and Mass Media Articles Index (formerly produced by Penn State) along with numerous other journals in communication, mass media, and other closely-related fields of study to create a research and reference resource encompassing the breadth of the communication discipline.