Ingabo, Simeon Nyambaka, Surapong Chirarattananon, and Pipat Chaiwiwatworakul. “Application of external horizontal shading slats for daylighting through north-facing windows”. Science, Engineering and Health Studies 15 (January 15, 2021): 21040002. accessed October 8, 2026. https://li01.tci-thaijo.org/index.php/sehs/article/view/237221.