Certificate of Presentation to Ahmad Sofian Shminan, Nur Zulaikha Mohamed Aziyen, Lee Jun Choi and Merikan Aren have successfully presented the paper entitled BizGuru 1.0 : Design and Development of a Mobile-based Digital Marketing Guide for Elderly at the International Conference on Intelligence Cyber Physical Systems and Internet of Things (ICoICI 2022) - Ahmad Sofian, Shminan; Nur Zulaikha, Aziyen; Lee Jun, Choi; Merikan, Aren (UNIMAS, 2022)