1. <a href="./Journals/Article/JOER/10892846.pdf" target="_blank">Removal of lead by using na-a zeolite synthesized from spent silica - alumina</a><br>Pimonpan Uttapan, Petchporn Chawakitchareon and Dawan Wiwattanadate<br><hr>2. <a href="./Journals/Article/JOER/10892847.pdf" target="_blank">Utilization of silica waste to replace silica fume for mixed mortar</a><br>Petchporn Chawakitchareon and Natthapol Sresthaolarn<br><hr>3. <a href="./Journals/Article/JOER/10892848.pdf" target="_blank">Carbon footprint of an academic organization- a case study of the department of environmental engineering, chulalongkorn university</a><br>Boonjira Janangkakan, Orathai Chavalparit and Premrudee Kanchanapiya<br><hr>4. <a href="./Journals/Article/JOER/10892849.pdf" target="_blank">Phytoplankton community in cage culture farm areas in the andaman coast of thailand</a><br>Suwat Tanyaros and David Crookall<br><hr>5. <a href="./Journals/Article/JOER/10892850.pdf" target="_blank">Environmental performance of marble tile life cycle</a><br>Nachawit Tikul<br><hr>