Sinaga, Hommy Dorthy Ellyany, Rizaldi Piliang, and Dewi Anggraeni. “Creating The Simple Linear Chart by Students of SMA Panti Budaya Kisaran”. Jurnal IPTEK Bagi Masyarakat 1, no. 3 (April 27, 2022): 139–144. Accessed August 4, 2025. https://journal.aira.or.id/index.php/j-ibm/article/view/163.