Machfiroh, Ines, Widiya Alam Sur, and Robby Pangestu. “TREND SEMI AVERAGE AND LEAST SQUARE IN FORECASTING YAMAHA MOTORCYCLE SALES”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 16, no. 1 (March 21, 2022): 343-354. Accessed May 8, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/3431.