Solving Nonlinear Boundary Value Problem Arising of Natural Convection Porous Fin By Using the Haar Wavelet Collocation Method and Temimi and Ansari Method. Iraqi Journal of Science [Internet]. 2022 Aug. 31 [cited 2024 Jul. 5];63(8):3592-9. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4543