1.
Norhayati Rosli, Muhammad Bilal, Iftikhar Ahmad. Solution of Pantograph Differential Equations by Collocation Method using Ortho Exponential Polynomial . IJAST [Internet]. 2020May9 [cited 2024May2];29(10s):179 -187. Available from: http://sersc.org/journals/index.php/IJAST/article/view/14406