prihati, prihati, and Elly Nielwaty. “ Customer Service Officers’ Ethic at PT. Avia Jaya Indah (Business Partner) PT. CPI In Pekanbaru”. Jurnal Niara, Vol. 12, no. 2, Nov. 2019, pp. 54-68, doi:10.31849/niara.v12i2.3269.