Faraj El Dabee and Romeo Marian and Yousef Amer, A Novel Model for Simultaneously Minimising Costs and Risks in Just-in-Time Systems Using Multi-Backup Suppliers: Part 1- Modelling. journal = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology. February 2013, vol. 74(2). 340 - 345 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/9997796.