13 1 10 Kamus Matematika Siregar, Sori Additional Author Cormentyna Sitanggang Additional Author Djati Kerami Additional Author mixed material 9796662957 Jakarta Balai Pustaka 2002 kamus_mat.jpg Mengapa Disebut Bentuk Baku Dan Tidak Baku? Jilid 1 Siregar, Sori Additional Author Dirgo Sabariyanto Additional Author mixed material 9795070916 Jakarta Mitra Gama Widya 1999 mengapa_baku.jpg Sang Pemimpin: Kumpulan Cerpen Sori Siregar Sori Siregar Additional Author mixed material Sori Siregar 2006 Kisah Abrukuwah Ali Yahya Additional Author Siregar, Sori Additional Author mixed material 9792205640 Jakarta Palgrave Macmillan 2003 kisah.jpg Penyakit Ginjal Siregar, Sori Additional Author Japaries, Willie Additional Author mixed material 9794311588 Jakarta Arcan 1995 Penyakit_ginjal.jpg Sang Pemimpin Siregar, Sori Additional Author Rukhiyat, H. Adang Additional Author mixed material Jakarta DepKebPar RI 2006 SangP.jpg Mata Yang Jatuh Kasihan Siregar, Sori Additional Author mixed material Jakarta Depdikbud 2006 matyg_jatuh.jpg Mata Yang Jatuh Kasihan Siregar, Sori Additional Author Audina Furi Additional Author mixed material Jakarta Depdikbud 2006 matyg_jatuh.jpg Awal Pendakian Siregar, Sori Additional Author Palmer, Robin Additional Author Cindy Ella Additional Author Geek Charming Additional Author mixed material 979407506x Jakarta Balai Pustaka 1995 awal_pendakian.jpg Penjara Siregar, Sori Additional Author Soeseno, Slamet Additional Author mixed material 9794074152 Jakarta Balai Pustaka 2000 penj.jpg