Hanan A. M. Abd Alla and Lilac A. E. Al-Safadi, An Efficient Multi Join Algorithm Utilizing a Lattice of Double Indices. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. May 2008, vol. 17(5). 1737 - 1741 [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/6899.