Jurnal PKOP Volume 20 nomor 1 Tahun 2016
Hadirman Hadi
Hardin M.Si
robby darwis nasution
Christiany Juditha,
Bella Chintya Neyfa, dony dn tamara, Ghina s Salsabila, bayu adityo ramadhan, fathiyah rahma mutmainah, dimas ardi rosatama
Bahrawi As'ad