Oluwaseun. A. Alawode and Timothy. A. Bamiduro and Adekunle. A. Eludire, Some (v + 1, b + r + λ + 1, r + λ + 1, k, λ + 1) Balanced Incomplete Block Designs (BIBDs) from Lotto Designs (LDs). journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. August 2012, vol. 68(8). 1194 - 1197 [viewed 23 September 2024]. Available from: https://publications.waset.org/pdf/155.