About this article
Published Online: May 26, 2020
Page range: 38 - 38
DOI: https://doi.org/10.2478/acmy-2019-0009
© 2019 Muhammad Zaheer et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Muhammad Zaheer
Preston University,
Islamabad, Pakistan
Asfand Yar Shahab
Preston University,
Islamabad, Pakistan