D. Hanafi, “Tele Measurement and Recording of CO Concentration, Temperature and Humidity for Hazardous Area: Dirman Hanafi*, Mohd Erwin Mohd Ussdek, Hisyam Abdul Rahman, Mohamed Najib Ribuan, Ija Darmana, Mohd Hafiz Fazalul Rahiman, Rozaimi Ghazali”, TSSA, vol. 2, no. 1, Nov. 2020.