Sembiring, Abdul Sani, and Kennedi Tampubolon. “Pembelajaran Operasi Hitung Aritmatika Sosial Dengan Menerapkan Metode Computer Based Instruction (CBI) Di Panti Asuhan Talenta Delpita Medan”. MEANS (Media Informasi Analisa dan Sistem) 7, no. 2 (February 1, 2023): 222–226. Accessed April 27, 2025. https://ejournal.ust.ac.id/index.php/Jurnal_Means/article/view/2421.