1. LTO: 12 out of 19 Million Motorcycle registrations expired;Rosales,2019
2. Number of registered private motorcycles and tricycles in Philippines 2020-2022,2023
3. Philippines Motorcycles - Data & Facts 2023,2024
4. How Manila’s traffic steals more than minutes;Pangalangan;Philippine Daily Inquirer / 05:04 AM,2023
5. X-Mech: an On-Demand Vehicle Express Repair Service Mobile Application