Khalid, Nauman
Abbas, Muhammad http://orcid.org/0000-0002-0491-1528
Iqbal, Muhammad Kashif
Baleanu, Dumitru
Article History
Received: 15 May 2019
Accepted: 27 August 2019
First Online: 3 September 2019
Competing interests
: The authors declare that they have no competing interests.