A scholarly resource must be written by a scholar - an expert in the field, usually with a PhD or equivalent qualifications. Scholarly resources usually tell you about the author, so that you can assess whether s/he is a reliable expert on the information presented.
Walkmeter uses GPS to measure the distance of your walks and hikes outdoors. It functions much like a stopwatch. Open the app, tap Start, and use Lap when you want to log an interval. It maps your walk, and you can view time, speed, distance, and pace as you walk.
What is the Best Android App for Tracking Mileage? Keeping track of your mileage can be a daunting task if your work requires a lot of traveling. There are a handful of options available on the Android Market for tracking mileage on your Android phone.