Pranoto, W. H., J. A. Suryabrata, and M. Santosa. “Study of Glass Tilt Angle to Achieve Optimum Overall Thermal Transfer Value (OTTV)”. Journal of Architectural Research and Design Studies, vol. 3, no. 1, Oct. 2019, pp. 1-9, doi:10.20885/jars.vol3.iss1.art1.