Periodicals of Engineering and Natural Sciences (ISSN: 2303-4521) is an international open access single-blind review journal published online.
Publication frequency: Semiyearly (1. January - June; 2. July - December).
Publication Fees: No fee required (no article submission charges or processing charges).
Digital Object Identifier DOI: 10.21533/pen
Vol 5, No 2 (2017)
ISSN: 2303-4521
Digital Object Identifier DOI: 10.21533/pen
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