WASET
Thongjub, N. , Puangkird, B. , Ngamaramvaranggul, V.. "Slip Effect Study of 4:1 Contraction Flow for Oldroyd-B Model". World Academy of Science, Engineering and Technology, Open Science Index 80, International Journal of Mathematical and Computational Sciences, (2013), 7(8), 1334 - 1341.