Alhassan, B., Yusuf Hamza, Musa Hamisu and Naghmeh Abasi 2023. A New Fifth Order Variable Step Size Block Backward Differentiation Formula with Off-Step Points for the Numerical Solution of Stiff Ordinary Differential Equations. Applied Mathematics and Computational Intelligence (AMCI). 12, 4 (Nov. 2023), 94–121. DOI:https://doi.org/10.58915/amci.v12i4.235.