Pr

Ramachandran et al. [10]

Lok et al. [13]

Ishak et al. [6]

Olanrewaju et al. [18]

Present result

0.7

1.7063

1.706376

1.7063

1.7063227

1.70621152

1

-

-

1.6755

1.6754365

1.67541906

7

1.5179

1.517952

1.5179

1.5179126

1.51790409

10

-

-

1.4928

1.4928386

1.49282860