Hartati, B. THE IMPORTANCE OF PUBLIC RELATIONS ROLE IN EDUCATIONAL INSTITUTIONS AS A MEANS OF PUBLIC COMMUNICATION (A STUDY ON IMMIGRATION POLYTECHNIC: PENTINGNYA PERAN KEHUMASAN PADA LEMBAGA PENDIDIKAN SEBAGAI SARANA KOMUNIKASI PUBLIK (STUDI PADA POLITEKNIK IMIGRASI. jaid 2023, 3, 1-21.