KEAWPIBAL N, PREECHAVEERAKUL L, VANICHAYOBON S. Optimizing Range Query Processing for Dual Bitmap Index. Walailak J Sci & Tech [Internet]. 2018Mar.26 [cited 2024Apr.29];16(2):133-42. Available from: https://wjst.wu.ac.th/index.php/wjst/article/view/4146