Rohmadhani, Syalaisatul. “Sales Forecasting Analysis of Kirana Photocopy Using the Semi-Average and Least Squares Methods”. PERCIPIENCE International Journal of Social, Administration, & Entrepreneurship 3, no. 1 (September 23, 2023): 39–47. Accessed July 16, 2026. https://riset.unisma.ac.id/index.php/PERCIPIENCE/article/view/24842.