List of Articles Open Access Article Abstract Page Full-Text 1 - New mathematical modeling for a location–routing–inventory problem in a multi-period closed-loop supply chain in a car industry F. Forouzanfar R. Tavakkoli-Moghaddam M. Bashiri A. Baboli S. M . Hadji Molana Open Access Article Abstract Page Full-Text 2 - Two-warehouse system for non-instantaneous deterioration products with promotional effort and inflation over a finite time horizon M. Palanivel S. Priyan P. Mala Open Access Article Abstract Page Full-Text 3 - Improved teaching–learning-based and JAYA optimization algorithms for solving flexible flow shop scheduling problems Raviteja Buddala Siba Sankar Mahapatra Open Access Article Abstract Page Full-Text 4 - Developing a cellular manufacturing model considering the alternative routes, tool assignment, and machine reliability Sayyed Mahdi Sadat Khorasgani Mahdi Ghaffari Open Access Article Abstract Page Full-Text 5 - A novel grey–fuzzy–Markov and pattern recognition model for industrial accident forecasting Inyeneobong Ekoi Edem Sunday Ayoola Oke Kazeem Adekunle Adebiyi Open Access Article Abstract Page Full-Text 6 - A maintenance system model for optimal reconfigurable vibrating screen management O. A. Makinde K. Mpofu B. I. Ramatsetse M. K. Adeyeri S. P. Ayodeji Open Access Article Abstract Page Full-Text 7 - Scaling production and improving efficiency in DEA: an interactive approach Wilhelm Ro¨dder Andreas Kleine Andreas Dellnitz Open Access Article Abstract Page Full-Text 8 - Modeling and forecasting US presidential election using learning algorithms Mohammad Zolghadr Seyed Armin Akhavan Niaki S. T. A. Niaki Open Access Article Abstract Page Full-Text 9 - Six-sigma application in tire-manufacturing company: a case study Vikash Gupta Rahul Jain M. L. Meena G. S. Dangayach Open Access Article Abstract Page Full-Text 10 - Reliability analysis of a robotic system using hybridized technique Naveen Kumar Komal Komal J. S. Lather Open Access Article Abstract Page Full-Text 11 - The development of a green supply chain dual-objective facility by considering different levels of uncertainty Sasan Torabzadeh Khorasani Maryam Almasifard Open Access Article Abstract Page Full-Text 12 - Quantitative risk management in gas injection project: a case study from Oman oil and gas industry Mohammad Miftaur Rahman Khan Khadem Sujan Piya Ahm Shamsuzzoha Open Access Article Abstract Page Full-Text 13 - Cuckoo search via Levy flights applied to uncapacitated facility location problem Armacheska Mesa Kris Castromayor Cinmayii Garillos-Manliguez Vicente Calag Open Access Article Abstract Page Full-Text 14 - Multi-period project portfolio selection under risk considerations and stochastic income Ali Asghar Tofighian Hamid Moezzi Morteza Khakzar Barfuei Mahmood Shafiee Open Access Article Abstract Page Full-Text 15 - Evaluation and selection of sustainable suppliers in supply chain using new GP-DEA model with imprecise data Saeid Jafarzadeh Ghoushchi Mehran Dodkanloi Milan Mustafa Jahangoshai Rezaee