<?xml version="1.0" encoding="utf-8"?><article><front><Journal-meta><journal-id journal-id-type='publisher'>CWE/1930/2021</journal-id><journal-title >Current World Environment</journal-title><issn pub-type='PPub'>0973-4929</issn><issn pub-type='ePub'>2320-8031</issn><publisher><publisher-name>Enviro Research Publishers</publisher-name></publisher></Journal-meta><article-meta><article-id pub-id-type='other'>CWE--81-00</article-id><title-group><article-title>Groundwater Age Determination- Insight into Groundwater Recharge, Flow Systems and Contamination Studies</article-title></title-group><contrib-group><contrib contrib-type='author'><name><surname></surname><given-names></given-names></name><xref ref-type='aff' rid='aff00'><sup></sup></xref></contrib></contrib-group><pub-date pub-type='ppub'><publicationDate></publicationDate></pub-date><doi>10.12944/CWE.16.2.02</doi><volume>Volume 16</volume><issue>Volume 16</issue><page>346-347</page><abstract><title>Abstract</title><p></p></abstract><kwd-group><title>Keywords</title><kwd></kwd></kwd-group><counts><ref-count count='' /><page-count count='' /></counts></article-meta></front></article>