Table 1 Categories of research papers...

Table 1

Categories of research papers (1985–2021)

Category	1981–1985	1986–1990	1991–1995	1996–2000	2001–2005	2006–2010	2011–2015	2016–2021	Total
IAF		1	3	10	15	33	47	63	172
IE	2	2	7	11	8	13	28	40	111
IBM				2	10	40	58	91	191
Total									474

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