[1] Univ Putra Malaysia, Inst Math Res, Upm Serdang 43400, Selangor, Malaysia
[2] Univ Putra Malaysia, Ctr Fdn Studies Agr Sci, Upm Serdang 43400, Selangor, Malaysia
[3] Capital Univ Sci & Technol, Dept Math, Islamabad 44000, Pakistan
[4] Inst Elect & Elect Engineers IEEE 94086547, Kuala Lumpur 59200, Malaysia
[5] Prince Sattam Bin Abdulaziz Univ, Coll Arts & Sci, Dept Math, Wadi Aldawaser 11991, Saudi Arabia