Technological Intervention for Moral Education Among Teenagers: A Review. - Sitti Hutari Mulyani; Billy Hendrik; Muhammad Reza Putra; Gushelmi; Emil Naf'an; Nazlena Mohamad Ali; Khaidzir Ismail (IVIC, 2017)

Modelling and Experimental Analysis Two-Wheeled Self Balance Robot Using PID Controller. - Aminu Yahaya Zimit; Hwa Jen Yap; Mukhtar Fatihu Hamza; Indrazno Siradjuddin; Billy Hendrik; Tutut Herawan (ICCSA (2), 2018)