[Chu, Yu-Ming] Huzhou Univ, Dept Math, Huzhou, Peoples R China.
[Chu, Yu-Ming] Changsha Univ Sci & Technol, Hunan Prov Key Lab Math Modeling & Anal Engn, Changsha, Peoples R China.
[Bilal, Sardar] Air Univ, Dept Math, PAF Complex E-9, Islamabad 44000, Pakistan.
[Hajizadeh, Mohammed Reza] Duy Tan Univ, Inst Res & Dev, Da Nang 550000, Vietnam.
[Hajizadeh, Mohammed Reza] Duy Tan Univ, Fac Environm & Chem Engn, Da Nang, Vietnam.