T. V Sravan, G. Madhura, G. V S K Madhav, N. Sai Sudeep, and A. S, “Design of ANFIS based driver fatigue detection system using thermopile and ambient temperature sensors”, IJET, vol. 7, no. 4.6, pp. 325–327, Sep. 2018, doi: 10.14419/ijet.v7i4.6.30918.