Development of integrated e-parcel management system with GSM network. - Mohd Helmy Abd Wahab; Danial Md. Nor; Afizah Abdoll Mutalib; Ayob Johari; Rahmat Sanudin (ICIS, 2009)

GSM-Based Notification System for Electronic Pigeon Hole. - Mohd Helmy Abd Wahab; Ahmad Al' Hafiz Riman; Herdawatie Abdul Kadir; Rahmat Sanudin; Ayob Johari; Roslina Mohd Sidek; Noraziah Ahmad (NDT (2), 2010)

GSM Based Electrical Control System for Smart Home Application. - Mohd Helmy Abd Wahab; Norzilawati Abdullah; Ayob Johari; Herdawatie Abdul Kadir (J. Convergence Inf. Technol., 2010)

Smart Cane: Assistive Cane for Visually-impaired People - Mohd Helmy Abd Wahab; Amirul A. Talib; Herdawatie Abdul Kadir; Ayob Johari; Ahmad Noraziah; Roslina Mohd Sidek; Ariffin Abdul Mutalib (CoRR, 2011)