literature review;Numerous studies had explored cybercrimes from the general and focused perspectives,However, not a lot of studies have been specifically conducted to explore online phishing risks and the vulnerability of the sector which is exposed to t

My sentences in my resrach proposal is(is uploaded ) 
• Numerous studies had explored cybercrimes from the general and focused perspectives

1- I need to citation 
2- how many studies have conducted the study in general perspective and focused perspective?

• However, not a lot of studies have been specifically conducted to explore online phishing risks and the vulnerability of the sector which is exposed to the constantly growing phishing attacks.

1- I need to citation

2- explain what makes my study is different than theirs in the Problem Statement)