APA (7th ed.) Citation

Chan, M. T. (2014). Certificate authentication system using QR code.

Chicago Style (17th ed.) Citation

Chan, Ming Ting. Certificate Authentication System Using QR Code. 2014.

MLA (8th ed.) Citation

Chan, Ming Ting. Certificate Authentication System Using QR Code. 2014.

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