[1] Univ Pertahanan Nas Malaysia, Dept Def Sci, Fac Def Sci & Technol, Kuala Lumpur 57000, Malaysia
[2] Univ Pertahanan Nas Malaysia, Ctr Def Fdn Studies, Dept Math, Kuala Lumpur 57000, Malaysia
[3] Capital Univ Sci & Technol CUST, Dept Math, Islamabad 44000, Pakistan
[4] Al Ayen Univ, Sci Res Ctr, Math Appl Sci & Engn Res Grp, Nasiriyah 64001, Iraq
[5] Univ Pertahanan Nas Malaysia UPNM, Ctr Def Fdn Studies, Dept Chem & Biol, Kuala Lumpur 57000, Malaysia
[6] Univ Kebangsaan Malaysia, Fac Sci & Technol, Sch Math Sci, Ukm 43600, Selangor, Malaysia
[7] Babes Bolyai Univ, Dept Math, Cluj Napoca 400084, Romania
[8] New Valley Univ, Fac Sci, Dept Math, Al Kharga 72511, Egypt
[9] Northern Border Univ, Coll Business Adm, Finance & Insurance Dept, Ar Ar, Saudi Arabia