1 1 20 Belawati, Tian Additional Author Ginting, Ginta Additional Author Karnedi, Karnedi Additional Author Daryono, Daryono Additional Author Nurcholis, Chanif Additional Author Darojat, Ojat Additional Author Sembiring, Maximus Gorky Additional Author Muktianto, Ali Additional Author Suciati, Suciati Additional Author mixed material 9786023929450 Banten Universitas Terbuka 2020 9786023929450.jpg.jpg