SELECTED SINGLE-STEP HYBRID BLOCK FORMULA FOR SOLVING THIRD ORDER ORDINARY DIFFERENTIAL EQUATIONS WITH APPLICATION IN THIN FILM FLOW. FJS [Internet]. 2023 Jan. 7 [cited 2025 Sep. 7];6(6):150-68. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1152