1. <a href="./Journals/Article/EJRD/10986793.pdf" target="_blank">Relationship between sand relative density and earth pressure coefficient at-rest</a><br>Thaweesak Pitikhunpongsuk and Sittha Jitsamart<br><hr>2. <a href="./Journals/Article/EJRD/10986794.pdf" target="_blank">Effects of backfill compositions on integrity of underground salt and potash mines</a><br>Chatchita Theerapun, Supattra Khamrat, Suratwadee Sartkeaw and Kittitep Fuenkajorn<br><hr>3. <a href="./Journals/Article/EJRD/10986795.pdf" target="_blank">Simulation study on the effect of internal pressure in isrcts compared with fluid mandrel drawing method</a><br>Tanit Tangsri<br><hr>4. <a href="./Journals/Article/EJRD/10986796.pdf" target="_blank">Efficiency enhancement of biological phosphorus removal with difference carbon sources</a><br>Chatlada Piasai, Nittaya Boontian, Usa Yingchon and Htay Aung Pyae<br><hr>