M. ABBASI, D. D. GANJI, I. RAHIMIPETROUDI, and M. KHAKI, “Comparative Analysis of MHD Boundary-Layer Flow of Viscoelastic Fluid in Permeable Channel with Slip Boundaries by using HAM, VIM, HPM”, Walailak J Sci & Tech, vol. 11, no. 7, pp. 551–567, Dec. 2013.