List of Articles Open Access Article Abstract Page Full-Text 1 - A hybrid method to find cumulative distribution function of completion time of GERT networks S.S Hashemin S.M.T Fatemi Ghomi Open Access Article Abstract Page Full-Text 2 - An ACO algorithm for one-dimensional cutting stock problem K Eshghi H Javanshir Open Access Article Abstract Page Full-Text 3 - Estimating process capability indices using ridge regression S Raissi R Noorossana Open Access Article Abstract Page Full-Text 4 - A multi-criteria vehicle routing problem with soft time windows by simulated annealing R Tavakkoli-Moghaddam N Safaei M.A Shariat Open Access Article Abstract Page Full-Text 5 - Team size effect on teamwork productivity using information technology H Tohidi M.J Tarokh Open Access Article Abstract Page Full-Text 6 - A fuzzy approach to solve a multi-objective linear fractional inventory model S.J Sadjadi M.B Aryanezhad A Sarfaraz Open Access Article Abstract Page Full-Text 7 - Inverse feasible problem GH.R Amin Open Access Article Abstract Page Full-Text 8 - An efficiency measurement model in fuzzy environments, using data envelopment analysis F Molavi M.B Aryanezhad M Shah Alizadeh