Isaac, Anthony A., Ukeme P. Akra, Itoro M. Tim, and Ekemini U. George. 2026. “On the Additional Existence Conditions for T-Steiner Quintuple Systems of Balanced Incomplete Block Designs ”. Researchers Journal of Science and Technology 6 (5):77-88. https://doi.org/10.83080/rejost.vol6no5.307.