1. App Agentur creative workline GmbH. (2018). One Touch Location; http://www.creativeworkline.com/en/our-apps/one-touch-location-share-track-explore-android-iphone/ App Agentur creative workline GmbH. (2018). One Touch Location; http://www.creativeworkline.com/en/our-apps/one-touch-location-share-track-explore-android-iphone/
2. GitHub. (2018). techmagic-team/track-my-location; https://github.com/techmagic-team/track-my-location GitHub. (2018). techmagic-team/track-my-location; https://github.com/techmagic-team/track-my-location
3. Locationof.com. (2018). Location Of - Real-Time GPS Tracking for Cell Phones and Tablets; https://www.locationof.com/ Locationof.com. (2018). Location Of - Real-Time GPS Tracking for Cell Phones and Tablets; https://www.locationof.com/
4. Greenalp.com. (2018). Real-Time GPS Tracker - Share your location with family and friends; https://www.greenalp.com/RealTimeTracker/ Greenalp.com. (2018). Real-Time GPS Tracker - Share your location with family and friends; https://www.greenalp.com/RealTimeTracker/
5. Footprints.net. (2018). Footprints | Find My Kids Location Sharing App; http://www.footprints.net/ Footprints.net. (2018). Footprints | Find My Kids Location Sharing App; http://www.footprints.net/