APA (7th ed.) Citation

Lim, G. H. (2019). GPS, fingerprint and QR-code based attendance system.

Chicago Style (17th ed.) Citation

Lim, Guo Hong. GPS, Fingerprint and QR-code Based Attendance System. 2019.

MLA (8th ed.) Citation

Lim, Guo Hong. GPS, Fingerprint and QR-code Based Attendance System. 2019.

Warning: These citations may not always be 100% accurate.