M. R. Buyung, H. Shafii, N. A. Yusoff, and N. R. Buyung, “Develop The Concept Of Sustainable Residential College: Study A Room Space”, IJET, vol. 7, no. 4.28, pp. 80–85, Nov. 2018, doi: 10.14419/ijet.v7i4.28.22396.