5 1 10 Siagian, Sondang p Primary Author mixed material 9795262569 Jakarta Katalog Dalam Terbitan 2012 photo_2025-11-12_15-51-05.jpg.jpg Simamora, Aprido B. Primary Author Panjaitan, Muktar B. Primary Author Manalu, Andriono Primary Author Siagian, Asister F. Primary Author Simanjuntak, Tarida A. Primary Author Silitonga, Immanuel D. B. Primary Author Siahaan, Anton Luvi Primary Author Manihuruk, Leonita Maria Efipanias Primary Author Silaban, Winarto Primary Author Sibarani, Imelda Primary Author mixed material 9786234488159 Tasikmalaya Perkumpulan Rumah Cemerlang Indonesia 2024 Screenshot_2025-10-13_113547.png.png Siagian, Sondang p Primary Author mixed material 9795262718 2012 Siagian, Sondang p Primary Author mixed material 9795264923 Jakarta Bumi Aksara 2017 Siagian Primary Author mixed material 9786232360549