Ghassani Salwa Zata Amani Putri, Danang Satrio, and Ari Muhardono. 2021. “Peran Presence, E-Learning, Performance Appraisal Dalam Portal Terhadap Kualitas Kerja Karyawan PT. Telkom Akses”. Conference on Economic and Business Innovation (CEBI) 1 (1):801-15. https://jurnal.widyagama.ac.id/index.php/cebi/article/view/154.