Suryadi, O., & Ashfahani, S. (2020). Peranan Internal Public Relations PT Prasadha Pamunah Limbah Industri Dalam Mensosialisasikan Brand PPLI. Jurnal Ilmiah Komunikasi (JIKOM) STIKOM IMA, 12(02), 71-79. Retrieved from http://jikom.uima.ac.id/jurnal-stikom/index.php/jikom1/article/view/137