Ghaffar, Abdul
Ullah, Zafar
Bari, Mehwish
Nisar, Kottakkaran Sooppy
Al-Qurashi, Maysaa M.
Baleanu, Dumitru
Article History
Received: 18 April 2019
Accepted: 25 July 2019
First Online: 7 August 2019
Competing interests
: The authors declare that they have no competing interests.