Rajagopal et al. [16]

Kuo [17]

Ishak et al. [18]

K. Jafar [8]

Present result

0.0

-

0.469600

0.4696

0.4696

0.46960075

0.1

0.587035

0.587880

0.5870

0.5871

0.5870358

0.3

0.774755

0.775524

0.7748

0.7748

0.7747554

0.5

0.927680

0.927905

0.9277

0.9277

0.9276813

1.0

1.232585

1.231289

1.2326

1.2326

1.232590