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Nasoichah, Churmatin and Soedewo, Ery and Restiyadi, Andri and Wiradnyana, Ketut and Setiawan, Taufiqurrahman and Tambunan, Rytha and Oetomo, Repelita Wahyu and Purnawibowo, Stanov (2018) Berkala arkeologi sangkhakala : Vol. 21 No. 2, November 2018. Berkala Arkeologi Sangkhakala, 21 (2). Badan Penelitian dan Pengembangan, Medan. ISBN ISSN 1410 – 3974

Sembiring, Sri Alem Br. and Agustrisno, Agustrisno and Tambunan, Rytha and Lestari, Titit and Simanjuntak, Hotli (2012) Tradisi masyarakat Parmalim di Toba Samosir. Badan Pelestarian Nilai Budaya Banda Aceh, Aceh. ISBN 9786029457209