Mintorogo, Danny Santoso. “THE 3 - IN - 1 SKYLIGHT SHADING DEVICE FOR SURABAYA INDONESIA: AN ENERGY SAVING AND CONSIDERATIONS”. DIMENSI (Journal of Architecture and Built Environment) 32, no. 2 (April 26, 2005). Accessed May 3, 2024. https://dimensi.petra.ac.id/index.php/ars/article/view/16186.