@article{SJC_2009_3_1_a0,
     author = {Barari, A. and Ghotbi, Abdoul R. and Omidvar, M. and Ganji, D. D.},
     title = {Solving {Ratio-Dependent} {Predator-Prey} {System} with {Constant} {Effort} {Harvesting} using {Variational} {Iteration} {Method}},
     journal = {Serdica Journal of Computing},
     pages = {1--14},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2009_3_1_a0/}
}