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alinda samsuri, mohd nor latif, mohd razali shamsuddin, fairous salleh, maratun najiha abu tahari, tengku shafazila tengku saharuddin, norliza dzakaria, mohd ambar yarmo.  (2021).  studies on influence of hydrogen and carbon monoxide concentration on reduction progression behavior of molybdenum oxide catalyst.  - international journal of hydrogen energy.  24831-24844.