H. Boni Firmando, “The Migration Of The Batak Toba Community And Its Relevance To The Advancement Of Human Resources In The Lake Toba Region : Migrasi Masyarakat Batak Toba Dan Relevansinya Terhadap Kemajuan Sumber Daya Manusia Di Kawasan Danau Toba ”, JSN, vol. 10, no. 1, pp. 204–216, Jun. 2024.