Table 4: Development of IBS definitions.
Adapted from [²¹] and [¹³]

Year	Researchers	Category		Characteristic
		Method Approach & Process	Product, System & Technology	Industrialized Production	Transportation & Assembly Technique	On-site Fabrication	Mass-Production	Structured Planning & Standardization	Integration
1971	Dietz [30]	*		*	*				*
1986	Junid [31]	*		*	*			*	*
1997	Parid [32]		*	*	*
1998	Esa & Nuruddin [33]	*		*					*
	Sarja [34]		*					*
1999	Trikha [35]	*		*			*	*
	Warszawski [36]		*						*
2002	Badir, Kadir, & Hashim [37]	*		*				*
2003	Shaari & Ismail [38]		*	*		*
2004	MIGHT [39]	*		*	*		*	*
2005	Haron, Hassim, Kadir, & Jaafar [40]	*		*				*
2006	Lessing [41]	*		*				*	*
	Chung [42]	*		*	*	*	*	*
	Hong [43]	*		*	*			*
	Rahman & Omar [44]		*	*	*			*
2007	CIDB [45]	*		*	*
2008	Hamid, Kamar, Zain, Ghani, & Rahim [46]	*		*	*	*
2009	Hassim, Jaafar, & Sazalli [47]	*		*				*	*
	Abdullah & Egbu [48]	*		*
2011	Kamar, Zuhairi, Azman & Ahmad [21]	*	*	*	*	*	*	*	*