Table 2. Quality assessment questions.

Sr. #	Questions	Possible answers
1	Are the aims of the research clearly stated in the paper?	Yes = 1, No = 0
2	Is the technique well-presented and justified?	Yes = 1, No = 0
3	Is the methodology appropriate and applied adequately?	Yes = 1, No = 0
4	Is the paper well referenced?	Yes = 1, No = 0