https://journals.psmpublishers.org/index.php/thepsm <p>The PSM is peer-reviewed, open access, multidisciplinary, international journal that welcomes submissions from all fields of science and from any source.</p> PSM en-US The PSM https://journals.psmpublishers.org/index.php/thepsm/article/view/444 <p>No abstract is available.</p> Muhammad Naeem Iqbal Copyright (c) 2020 PSM https://creativecommons.org/licenses/by-nc/4.0/ 2020-11-27 2020-11-27 1 1 1 3