Benjelloun, M, M El Merouani, and E Aoulad Abdelouarit. “Data Warehouse Performance Efficiency Using Snowflake and Bitmap Index”. International Journal of Engineering and Technology 7, no. 4.16 (November 27, 2018): 258–259. Accessed February 25, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/27845.