Researcher

Year

Quartile/Journal

Criteria

Grade

Objective

Research context

Sample

Methodology

Data

Valid result

Jacob et al.

2016

Q3

/

/

/

/

/

/

A

Nellie & Nolan

2017

Q2

/

/

/

/

/

/

A

Marshall

2017

Q1

/

/

/

/

/

B

Phuong et al.

2017

-

/

/

/

/

/

/

A

Oghenekohwo

2017

-

/

/

/

/

/

B

Leitão

2015

Q1

/

/

/

/

/

/

A