Optimization Handwritten by White Chalk on a Blackboard. Composition with Small Chalkboard on Background of Working Table with Office Folders, Stationery, Reports. Blurred Background. Toned Image, stock photo

Stock image of 'Optimization Handwritten by White Chalk on a Blackboard. Composition with Small Chalkboard on Background of Working Table with Office Folders, Stationery, Reports. Blurred Background. Toned Image.'
Published: January 29, 2016
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