A Newbie's Guide to Plywood Plank Flooring: http://sharktails.ca/2016/04/22/newbies-guide-plywood-plank-flooring-part-1-prepping-laying-boards
Hubby n I made these floors..out of plywood n a torch!
Plywood floors--look great & inexpensive!
Video:How to Stain Plywood Floor Subfloor Flooring: Tiny House Build [Episode 13] | Easy DIY Projects from Ana White
plywood floor More
DIY - Plywood Floors - An economical solution.
$60 plywood floor!?!? Tidbits from the Tremaynes: When You Just Can't Leave Well Enough Alone.
Distressed plywood floor How-to for painting Plywood floors
Another photo of plywood floors...and this one uses bigger sections so would lay much faster.
Plywood floors (multiple examples)