Asan, S., & Judith, J. (2020). Analisis Work Engagement Karyawan Frontline High-Contact dan Low –Contact Industri Jasa di Jakarta dan Tangerang. Indikator: Jurnal Ilmiah Manajemen Dan Bisnis, 4(2), 127–140. https://doi.org/10.22441/indikator.v4i2.10006