| Strategies toward commercial scale of biosurfactant production as potential substitute for it’s chemically counterparts Q Helmy, E Kardena, N Funamizu, Wisjnuprapto International Journal of Biotechnology 12 (1-2), 66-86, 2011 | 84 | 2011 |
| Bioremediation of aged petroleum oil contaminated soil: from laboratory scale to full scale application Q Helmy, R Laksmono, E Kardena Procedia Chemistry 14, 326-333, 2015 | 59 | 2015 |
| Petroleum oil and gas industry waste treatment; common practice in Indonesia Q Helmy, E Kardena Journal of Petroleum & Environmental Biotechnology 6 (5), 1, 2015 | 57 | 2015 |
| Application of biosurfactant produced by Azotobacter vinelandii AV01 for enhanced oil recovery and biodegradation of oil sludge Q Helmy, E Kardena, Z Nurachman INTERNATIONAL JOURNAL OF CIVIL AND ENVIRONMENTAL ENGINEERING 10 (1), 7-14, 2010 | 43 | 2010 |
| Scanning electron microscopy and magnetic characterization of iron oxides in solid waste landfill leachate EK Huliselan, S Bijaksana, W Srigutomo, E Kardena Journal of Hazardous Materials 179 (1-3), 701-708, 2010 | 37 | 2010 |
| Pengaruh intensitas cahaya terhadap penyerapan gas karbondioksida oleh mikroalga tropis Ankistrodesmus sp. Dalam fotobioreaktor A Muchammad, E Kardena, A Rinanti Jurnal Teknik Lingkungan 19 (2), 103-111, 2013 | 26 | 2013 |
| Biotechnology carbon capture and storage (CCS) by mix-culture green microalgae to enhancing carbon uptake rate and carbon dioxide removal efficiency with variation aeration … A Rinanti, K Dewi, E Kardena, DI Astuti Jurnal Teknologi 69 (6), 2014 | 20 | 2014 |
| Biological treatment of synthetic oilfield-produced water in activated sludge using a consortium of endogenous bacteria isolated from a tropical area E Kardena, S Hidayat, S Nora, Q Helmy J. pet. environ. Biotechnol 8 (3), 2017 | 18 | 2017 |
| Improvement of carbon dioxide removal through artificial light intensity and temperature by constructed green microalgae consortium in a vertical bubble column photobioreactor A Rinanti, E Kardena, DI Astuti, K Dewi | 17 | 2014 |
| Biosurfactant-enhanced petroleum oil bioremediation AJ Effendi, E Kardena, Q Helmy Microbial action on hydrocarbons, 143-179, 2018 | 15 | 2018 |
| Growth response and chlorophyll content of Scenedesmus obliquus cultivated in different artificial media A Rinanti, E Kardena, DI Astuti, K Dewi Asian Journal of Environment Biology 1 (1), 1-9, 2013 | 15 | 2013 |
| Bio surfactants and soil bioremediation E Kardena, Q Helmy, N Funamizu N. Kosaric, F. Vardar-Sukan & Sukan, eds. Bio surfactants Production and …, 2014 | 14 | 2014 |
| Photocatalytic degradation of textile wastewater containing reactive black 5 azo dye by using immobilized TiO2 nanofiber-nanoparticle composite catalyst on glass plates D SUGIYANA, M HANDAJANI, E KARDENA, S NOTODARMOJO Journal of JSCE 2 (1), 69-76, 2014 | 13 | 2014 |
| Integrated vertical photobioreactor system for carbon dioxide removal using phototrophic microalgae A Rinanti, E Kardena, DI Astuti, K Dewi Nigerian Journal of Technology 32 (2), 225-232, 2013 | 13 | 2013 |
| Biosurfactants production using glucose and molasses as carbon sources by Azotobacter vinelandii and soil washing application in hydrocarbon-contaminated soil LA Devianto, CEL Latunussa, Q Helmy, E Kardena IOP Conference Series: Earth and Environmental Science 475 (1), 012075, 2020 | 11 | 2020 |
| Probiotics and bioremediation Q Helmy, E Kardena, S Gustiani Microorganisms, 2019 | 11 | 2019 |
| Synthesis of TiO2 Nanofiber-Nanoparticle Composite Catalyst and Its Photocatalytic Decolorization Performance of Reactive Black 5 Dye from Aqueous Solution. S Notodarmojo, D Sugiyana, M Handajani, E Kardena, A Larasati Journal of Engineering & Technological Sciences 49 (3), 2017 | 11 | 2017 |
| PERFORMANCE OF PETROFILIC CONSORTIA AND EFFECT OF SURFACTANT TWEEN 80 ADDITION IN THE OIL SLUDGE REMOVAL PROCESS. Q Helmy, E Kardena Journal of Applied Sciences in Environmental Sanitation 4 (3), 2009 | 11 | 2009 |
| Activated sludge: conventional dye treatment technique RL Widajatno, E Kardena, NN Arifianingsih, Q Helmy Biological Approaches in Dye-Containing Wastewater: Volume 1, 119-153, 2022 | 9 | 2022 |
| Tanah Penutup Landfillmenggunakan Sampah Lama Sebagai Media Oksidasi Metana Untuk Mengurangi Emisi Gas Metana O Kurniasari, E Damanhuri, T Padmi, E Kardena Bumi Lestari 14 (1), 46-52, 2014 | 9 | 2014 |
