ABDULLAH, Mohd Nazri; MAMAT, Mohd Esham; ZAINAL ABIDIN, Zaiwannizar; ZAINUDDIN, Mohd Firdaus; SHUIB, Muammad Nasharudine. Investigating factors causing defects in Industrialised Building System (IBS) implementation for the People’s Housing Programme (PPR) in Parit Buntar, Perak. Journal of Islamic, Social, Economics and Development, [S. l.], v. 11, n. 88, p. 31–39, 2026. DOI: 10.55573/JISED.118803. Disponível em: https://academicinspired.com/jised/article/view/4807. Acesso em: 7 nov. 2026.