Pelista Br Karo Sekali; Wisno Saputra Sembiring; Pepy Pebyola Br Tarigan; Emila Sari Br Milala; Astri Lovianika Br Ginting. Lecture on the Positive and Negative Impact of the Internet for School-Age Children in Laucimba Village, Karo District. IJSD 2024, 3, 11-18.