[1] Quadt, D., Kuhn, H. (2007). A taxonomy of flexible flow line scheduling procedures. European Journal of Operational Research, 178:686–698.
[2] Shahvaria, O., Salmasi, N., Logendran, L., Abbasi, B. (2012). An efficient tabu search algorithm for flexible flow shop sequence-dependent group scheduling problems, International Journal of Production Research, 50(15): 4237–4254.
[3] Wittrock, R.J. (1988). An Adaptable Scheduling Algorithm for Flexible Flow Lines. Operations Research, 36: 445–453.
[4] Agnetis, L., Pacifici, A., Rossi, F., Lucertini, M., Nicoletti, S., Nicolo, F. (1997). Scheduling of Flexible Flow Shop in an Automobile Assembly Plant. European Journal of Operation Research, 97(2):348–362.
[5] Adler, L., Fraiman, N., Kobacker, E., Pinedo, M., Plotnicoff, J.C., Wu, T.P. (1993). BPSS: a Scheduling Support System for the Packaging Industry. Operations Research, 41: 641–648.
[6] Moursli, O., Pochet, Y. (2000). A branch-and-bound algorithm for the hybrid flowshop, International Journal of Production Economics, 64: 113–25.
[7] Yang Y., Kreipl, S., Pinedo, M. (2000). Heuristics for minimizing total weighted tardiness in flexible flowshops, Journal of Scheduling, 3: 71–88.
[8] Fattahi, P., Hosseini, S.M.H., Jolai, F., Tavakkoli-Moghaddam, R. (2014). A branch and bound algorithm for hybrid flow shop scheduling problem with setup time and assembly operations, Applied Mathematical Modelling, 38: 119–134;
[9] Riane, F., Artibas, A., Elmaghraby, S.E. (1998). A hybrid three stage flow shop problem: efficient heuristics to minimize makespan, European Journal of Operations Research, 109: 321–329.
[10] Linn, R., Zhang., W. (1999) Hybrid flow shop scheduling: a survey, Computers and Industrial Engineering, 37: 57–61.
[11] Tang, L., Xuan, H., Liu, J. (2006). A new Lagrangian relaxation algorithm for hybrid flowshop scheduling to minimize total weighted completion time, Computers & Operations Research 33: 3344–3359
[12] Liu, G.D., Luh, P.B. (1997). Scheduling permutation flow shops using the Lagrangian relaxation technique. Annals of Operations Research, 70: 171–89.
[13] Luh, P.B., Hoitomt, D.J. (1993). Scheduling of manufacturing systems using the Lagrangian relaxation technique, IEEE Transaction on Automatic Control, 38(7): 1066–1079.
[14] Chang, S.C., Liao, D.Y., Hsieh, F.S (1991). Scheduling flexible flow shops of no setup cost by a lagrangian relaxation and network flow approach, Interactional Conference on Robotics and Automation.
[15] Irohara, T. (2010). Lagrangian relaxation algorithms for hybrid flow-shop scheduling problems with limited buffers. Biomedical Soft Computing and Human Sciences, 15(1): 21-28.
[16] Sun, X., Noble, J.S. (1999). An Approach to Job Shop Scheduling with Sequence-Dependent Setups. Journal of Manufacturing Systems, 18(6).
[17] Liu, C.Y., Chang, S.C. (2000). Scheduling Flexible Flow Shops with Sequence-Dependent Setup Effects, IEEE transaction on robotics and automation, 16(4): 408-419.
[18] Nahavandi, N., Asadi Gangraj, E. (2014). A New Lower Bound for Flexible Flow Shop Problem with unrelated parallel machines, International Journal of Industrial Engineering & Production Research, 25(1): 65-70.
[19] Salmasi, N., Logendran, L., Skandari, M.R. (2010). Total flow time minimization in a flowshop sequence-dependent group scheduling problem, Computers & Operations Research 37: 199 – 212.
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