Amanda, Aliza Fatha, and Bayu Waspodo. “Implementation of Extract, Transform, Load (ETL) Method for Sales Data Visualization Using Google Looker Studio”. Jurnal Ilmiah Media Sisfo 19, no. 2 (October 31, 2025): 124–134. Accessed November 3, 2025. https://ejournal.unama.ac.id/index.php/mediasisfo/article/view/2547.