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mohammad azri abdullah, hawa hishamuddin, nor erne nazira bazin.  (2019).  a system dynamics approach to investigate the effects of disruption on the supply chain with a mitigation strategy.  - iop conference series: materials science and engineering.  1-11. 

mohammad azri abdullah & hawa hishamuddin.  (2016).  system dynamics approach in supply chain management: a review.  - proceedings of international conference on advanced processes and systems in manufacturing (apsim 2016).  61-62. 

mohamad faisal mohamad sobri, hawa hishamuddin & noraida azura md darom.  (2016).  disruption recovery for a single stage production inventory system with optimal safety stock.  - proceedings of international conference on advanced processes and systems in manufacturing (apsim 2016).  181-182. 

noraida azura md darom & hawa hishamuddin.  (2016).  integration of economic and environmental aspects in sustainable supply chain management: a review.  - proceedings of the international conference on industrial engineering and operations management.  389-393. 

hawa hishamuddin, ruhul sarker, daryl essam.  (2016).  real-time disruption management in a coordinated supply chain system with multiple suppliers.  - 6th international conference on information systems, logistics and supply chain, ils 2016, kedge business school campusbordeaux, france.  1-8. 

noraida azura md darom & hawa hishamuddin.  (2016).  disruption recovery of two stage serial supply chain with consideration of carbon emission cost.  - proceedings of the 2016 international conference on industrial engineering and operations management.  482-492.