Tajul Ariffin, Hamizah Liyana, Norhazren Izatie Mohd, Nur Emma Mustaffa, Shamsulhadi Bandi, and Cecelia Ho Mei Chee. “Perspectives on Issues and the Application of the Innovative Procurement Approaches for the Industrialised Building System (IBS)”. International Journal of Built Environment and Sustainability 6, no. 1 (January 6, 2019): 39–43. Accessed August 20, 2022. https://ijbes.utm.my/index.php/ijbes/article/view/328.