Abdullah, M. N.; Mamat, M. E.; Zainal Abidin, Z.; Zainuddin, M. F.; Shuib, M. N. Investigating Factors Causing Defects in Industrialised Building System (IBS) Implementation for the People’s Housing Programme (PPR) in Parit Buntar, Perak. JISED 2026, 11, 31-39.