Ahmed I, Ma’Ali AI, Agboluaje AA, Jikantoro YD. A FOUR-STEP BLOCK HYBRID BACKWARD DIFFERENTIATION FORMULAE FOR THE SOLUTION OF GENERAL SECOND ORDER ORDINARY DIFFERENTIAL EQUATION. FJS [Internet]. 2025 Apr. 30 [cited 2025 Oct. 29];9(4):239-44. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/3338