Ab Aziz, A., 		Baki, N., 		Bahari, A., & 		Mohd Shuhaini, M.
(2022).
 Solving Ordinary Differential Equation Using Least Square Method and Conjugate Gradient Method.
<em>Mathematical Sciences And Informatics Journal, 3</em>(2), 93-100.
doi:10.24191/mij.v3i2.17738