1. <a href="./Journals/Article/RIEJ/10456881.pdf" target="_blank">A study of oil sludge combustion in a bubbling fluidized bed incinerator</a><br>Adi Surjosatyo, Farid Nasir Hj Ani and Md Zahid Abdullah<br><hr>2. <a href="./Journals/Article/RIEJ/10456882.pdf" target="_blank">Chilli and garlic drying by using waste heat recovery from geothermal power plant</a><br>J. Hirunlabh, S. Thiebrat and J. Khedari<br><hr>3. <a href="./Journals/Article/RIEJ/10456883.pdf" target="_blank">Cost based optimization of excess air for fuel oil-gas-fired steam boilers</a><br>Vladimir Kouprianov, Chullapong Chullabodhi and Watcharee Kaewboonsong<br><hr>4. <a href="./Journals/Article/RIEJ/10456884.pdf" target="_blank">Development of a mathematical model for heat pump fruit drying</a><br>Somchart Soponronnarit, Thanit Swasdisevi and Waraporn Rattanongpisat<br><hr>5. <a href="./Journals/Article/RIEJ/10456885.pdf" target="_blank">Salt gradient solar pond for togolese climatic conditions</a><br>Magolmeena Banna, Awourou Aregba and Messan Gnininvi<br><hr>