Keyword Analysis & Research: what does doi mean citation

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does doi mean citation	0.03	0.2	9458	52	27
what	1.17	0.8	3375	90	4
does	1.77	1	3771	59	4
doi	1.34	0.5	7752	75	3
mean	0.37	1	8149	85	4
citation	1.92	0.2	7398	42	8

Keyword	CPC	PCC	Volume	Score
what does doi mean citation	1.67	0.3	461	94