Federico Fallucca, Roberto Pignatelli|||Smooth k-double covers of the plane of geometric genus 3|||153-180||| Ahmed Rikouane|||Optimality and duality for a weakly efficient solution of bilevel multiobjective fractional programming problems with extremal-value function|||181-199||| Nishi Gupta, Md. Maqbul|||Approximate solutions to hyperbolic partial differential equation with fractional differential and fractional integral forcing functions|||201-227|||