Loekita, S., and J. Priatman. “OTTV (SNI 03-6389-2011) and ETTV (BCA 2008) Calculation for Various Building’s Shapes, Orientations, Envelope Building Materials: Comparison and Analysis”. Civil Engineering Dimension, vol. 17, no. 2, Sept. 2015, pp. 108-16, doi:10.9744/ced.17.2.108-116.