https://oarkm.oas.psu.ac.th/index.php/ en https://oarkm.oas.psu.ac.th/index.php/node/523 <span property="schema:name" class="field field-name-title field-formatter-string field-type-string field-label-hidden">การขอเลข DOI</span> <span rel="schema:author" class="field field-name-uid field-formatter-author field-type-entity-reference field-label-hidden"><a title="View user profile." href="/index.php/user/32" lang="" about="/index.php/user/32" typeof="schema:Person" property="schema:name" datatype="" class="username">pratomrut.r</a></span> <span property="schema:dateCreated" content="2023-04-11T04:50:16+00:00" class="field field-name-created field-formatter-timestamp field-type-created field-label-hidden">Tue, 11/04/2023 - 11:50</span> <drupal-render-placeholder callback="flag.link_builder:build" arguments="0=node&amp;1=523&amp;2=bookmark" token="5xBScBSKjKnVcpER7_HubEuYLz3c6_qtaHWdeD6irKM"></drupal-render-placeholder> Tue, 11 Apr 2023 04:50:16 +0000 pratomrut.r 523 at https://oarkm.oas.psu.ac.th