Periodicals of Engineering and Natural Sciences (PEN)

Periodicals of Engineering and Natural Sciences (ISSN: 2303-4521) is an international open access single-blind review journal published online.

Indexing: Scopus, Google Scholar...

Digital Object Identifier DOI: 10.21533/pen


Vol 10, No 5 (2022)

Table of Contents

Articles

Ali Sadi Mohammed Salih Al-Sadi, Ali Mohammed Thijeel Al- Mamouri
PDF
5-13
Shahad A. Soud, Ali M. Jaafar Al-khafaji
PDF
14-24
Saja Haider Mohmmed, Nizar Jawad Hadi
PDF
25-37