Numerical Solution of Fourth Order Boundary Value Problems by Petrov-Galerkin Method with Quartic B-splines as basis functions and Sextic B-Splines as weight functions. int. jour. eng. com. sci [Internet]. 2016 May 2 [cited 2025 Dec. 5];5(9). Available from: http://www.ijecs.in/index.php/ijecs/article/view/2515