Pr

Ramachandran et al. (1988)

Lok et al. (2005)

Ishak et al. (2008)

Olanrewaju et al. (2011)

Present study

0.7

1.7063

1.706376

1.7063

1.7063227120375

1.706322

1

-

-

1.6755

1.6754365718388

1.675436

7

1.5179

1.517952

1.5179

1.5179126193762

1.517912

10

-

-

1.4928

1.4928386730384

1.492838