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Here is an awesome set of Project Management Vector Icons that i am sure you will find very useful. For the Project Management, this vector pack would be awesome.
Here is an awesome set of Market and Economics Vector Icons that i am sure you will find very useful. For the marketing and business, this vector pack would be awesome.
Businessman on graph, vector
Employee and employers
Businessmen standing on profit graph icon thin line for web and mobile, modern minimalistic flat design. Vector dark grey icon on light grey background
Businessmen standing on profit graph sketch icon for web and mobile. Hand drawn vector dark grey icon on light grey background