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Secretariat Office 
Department of Chemistry, Faculty of Science, Mahidol University
272 RamaVI Road, Ratchathewi District, Bangkok 10400, THAILAND
Telephone: +662 201 5110-3
Fax: +66.(0).2.354.7151
E-mail : paccon2019@gmail.com
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Wild Blue Congress Organizer
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Telephone: +662 714 259 0-1, +662 714 1487
Fax: +662 714 2656
E-mail : paccon2019@gmail.com
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