Mustafa Khalid, Nur Izyan and Che Mohd Khalid, Che Rohayu Darlynie and Ashaari, Nur Najihah and Sulaiman, Nor Intan Saniah (2019) Impact of instagram on self-esteem among students in Northern University: a case study in UUM. In: Seminar Teknologi Multimedia & Komunikasi 2019, 23-24 Julai 2019, Pusat Pengajian Teknologi Multimedia dan Komunikasi UNIVERSITI UTARA MALAYSIA.

Mustafa Khalid, Nur Izyan and Najdi, Nur Farah Najeeha and Khairul Adlee, Nurul Faziera and Misiran, Masnita and Sapiri, Hasimah (2019) Assessing Railway Accident Risk Through Event Tree Analysis. In: The 4th Innovation And Analytics Conference & Exhibition (IACE 2019), 25–28 March 2019, Kedah, Malaysia.