List of Articles Homotopy analysis method. Open Access Article Abstract Page Full-Text 1 - Homotopy approximation technique for solving nonlinear Volterra-Fredholm integral equations of the first kind Sh. Sadigh Behzadi Open Access Article Abstract Page Full-Text 2 - Homotopy approximation technique for solving nonlinear Volterra-Fredholm integral equations of the first kind SH. Sadigh ‎Behzadi