How to: Dual-monitor setup on a Windows PC | PCWorld
P1 Plus Portable Monitor for Laptop Screen Extender 13.3 inch Dual Monitor External FHD 1080P IPS Display Double Monitors 2 Type-C/1 HDMI, for 13.3-16.5 inch Notebook Computer Mac Windows Phone : Amazon.co.uk:
Docooler Laptop Screen, 15" Portable Tri Triple Screen for 15-17" Laptops, Swivel Dual Display FHD 1080P HDR IPS,Compatible with Windows Mac : Amazon.co.uk: Computers & Accessories
Multi-monitor - Wikipedia
Second Screens: The Benefits of Multiple Monitors [CASE STUDY]