SAP ABAP Table T8JVB18 (JV Inttab WBS details) is using

• Data Element (5)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	PROJ	Project definition
2	Table	PRPS	WBS (Work Breakdown Structure) Element Master Data
3	Table	T8J6A	JIB/JIBE Class