A Secure Four-factor Attendance System for Smartphone Device. - Tinthid Jaikla; Sasakorn Pichetjamroen; Chalee Vorakulpipat; Achara Pichetjamroen (ICACT, 2020)

Interacting Face Detection-based Access Control with Various Authentication Factors. - Chalee Vorakulpipat; Sasakorn Pichetjamroen; Chantri Polprasert (ICMLSC, 2021)

Usable comprehensive-factor authentication for a secure time attendance system. - Chalee Vorakulpipat; Sasakorn Pichetjamroen; Ekkachan Rattanalerdnusorn (PeerJ Comput. Sci., 2021)

A Comparative Study of 2D Image Anti-Spoofing Classification on Time Attendance Platform. - Sasakorn Pichetjamroen; Ekkachan Rattanalerdnusorn; Thanonchai Leelaruji; Chalee Vorakulpipat (ICCAI, 2022)

Comprehensive-Factor Authentication in Edge Devices in Smart Environments: A Case Study. - Chalee Vorakulpipat; Ekkachan Rattanalerdnusorn; Sasakorn Pichetjamroen (ICCAIS, 2022)