8 1 20 Risa Saraswati Primary Author mixed material 9786022202516 Jakarta Bukune 2017 Risa Saraswati Primary Author Maria Masniari Lubis Editor mixed material 9786022202752 Jakarta Selatan PT Bukune Kreatif Cipta 2018 cover_ivana_van_dijk.jpg Risa Saraswati Primary Author Maria M.Lubis Editor mixed material 9786022202417 Jakarta Bukune 2017 cover_janshen.jpg Risa Saraswati Primary Author mixed material 6022201500 Jakarta Bukune 2015 cover_gerbang_dialog_danur.jpg Risa Saraswati Additional Author mixed material 9786022203193 Yogyakarta Bukune 2019 cover_marianne.jpg teror liburan sekolah Risa Saraswati Primary Author mixed material 9786022203537 Jakarta Bukune 2020 cover_jurnal_risa_teror_liburan_sekolah.jpg Dimas Tri Aditiyo Primary Author Risa Saraswati Primary Author mixed material 9786022203025 Jakarta Bukune 2019 cover_tenung.jpg Risa Saraswati Primary Author mixed material 9786022202165 Jakarta Bukune 2017 cover_hans.jpg