Implementasi Kuliah Kerja Praktek Pada tiga Divisi Bagian: Business, Goverment And Enterprise Service (BGES), Logistic and General Support dan Telkom Integrated Operation Center (TIOC) Di PT. Telkom Witel Bangka Belitung Oulia Syadza Elvia Yunita text Pangkalpinang : ISB Atma Luhur, 2020 ind Enterprsie service