Rear view of a puzzled businessman in front of a huge blackboard try to solve hard mathematics calculation, formula and equations. Thinking of project
Rear view of a puzzled businessman in front of a huge blackboard try to solve hard mathematics calculation, formula and equations. Thinking of project ideas and business planning concept.
Size: 6000px × 4000px
Photo credit: © Bulat Silvia / Alamy / Afripics
License: Royalty Free
Model Released: Yes
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