Bangun, Cendera Rizky. “The Role of Corporate Communication Department in Socializing Companies Value through Internal Media: Case Study of Darya Varia Laboratoria Tbk”. Ultimacomm: Jurnal Ilmu Komunikasi, vol. 8, no. 2, Nov. 2018, pp. 45-56, doi:10.31937/ultimacomm.v8i2.881.