Ade Armando, Danny Boy Damanik, Surya Ningsih Pakpahan, Ravika Siregar, and Anita Sitanggang. “The Analysis Between Batak Toba and English In Question Words”. PIJAR: Jurnal Pendidikan Dan Pengajaran, vol. 1, no. 3, Aug. 2023, pp. 392-9, doi:10.58540/pijar.v1i3.387.