Table 2.

Search results.

Sr. No	Resource	Initial Search	Title-Based Selection	Abstract-Based Selection	Full Paper-Based Selection
1	IEEE Xplore	123	21	15	13
2	Google Scholar	451	29	11	8
3	ACM DL	327	19	9	5
4	Springer	235	11	17	15
5	Science Direct	347	15	12	10
	Total	1483	95	64	51