• Anaerobic co-digestion of sewage sludge with fish farming wasteKuusik, Argo; Pachel, Karin; Kuusik, Aare; Loigu, EnnThe 9th International Conference "Environmental Engineering" : 22-23 May 2014, Vilnius, Lithuania : selected papers2014 / [8] p. : ill
• Assessment of landfill wastewater pollutants and efficiency of different treatment methodsKuusik, Aare; Pachel, Karin; Kuusik, Argo; Loigu, EnnProceedings of the Estonian Academy of Sciences2016 / p. 452-471 : ill https://doi.org/10.3176/proc.2016.4.10 https://artiklid.elnet.ee/record=b2808652*est https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84997170961&origin=inward&txGid=c863a51cfa31cf1ff9cc16d0b00a1234 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000393289200011
• Determining biogas yield from industrial biodegradable waste = Biolagunevatest tootmisjääkidest biogaasi saagise määramineKuusik, Argo2017 https://digi.lib.ttu.ee/i/?7712 https://www.ester.ee/record=b4680398*est
• Enhancement of methane productivity of anaerobic reactors of wastewater treatment plantsKuusik, Aare; Loigu, Enn; Sokk, Olev; Kuusik, ArgoWorld Acedemy of Science, Engineering and Technology : International Science Index2012 / p. 1296-1298
• Factors affecting SVI in small scale WWTPsKõrgmaa, Vallo; Kriipsalu, Mait; Tenno, Taavo; Lember, Erki; Kuusik, Argo; Lemmiksoo, Vallo; Pachel, Karin; Iital, ArvoWater science & technology Water science and technology2019 / p. 1766–1776 https://doi.org/10.2166/wst.2019.177 https://www.scopus.com/sourceid/19376 https://www.scopus.com/record/display.uri?eid=2-s2.0-85068883881&origin=inward&txGid=68f453fe2392a89b4cdfe8b10140d5c3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=WATER%20SCI%20TECHNOL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000474359700015
• Generalised intergation of solid waste treatment practices to enhance methane productivity, generate suspension fertiliser and upgrade biogasKuusik, Argo; Kuusik, Aare; Pachel, Karin; Loigu, Enn; Sokk, OlevEuropean scientific journal2013 / p. 14-30 : ill
• Guidelines for selection of tertiary wastewater treatment technology : reportLember, Erki; Kuusik, Argo2020 https://bestbalticproject.eu/wp-content/uploads/2020/11/BEST_report_TUT_27_11.pdf
• Landfill runoff water and landfill leachate discharge and treatmentKuusik, Aare; Pachel, Karin; Kuusik, Argo; Loigu, EnnThe 9th International Conference "Environmental Engineering" : 22-23 May 2014, Vilnius, Lithuania : selected papers2014 / [6] p
• Possibility of enhancing methane productivity in anaerobic reactors in the treatment of excess sludge from wastewater treatment plantsKuusik, Argo; Loigu, Enn; Kuusik, Aare; Sokk, OlevInternational journal of science and engineering investigations2013 / p. 33-36
• Possible agricultural use of digestateKuusik, Argo; Pachel, Karin; Kuusik, Aare; Loigu, EnnProceedings of the Estonian Academy of Sciences2017 / p. 64-74 : ill https://doi.org/10.3176/proc.2017.1.10 http://www.ester.ee/record=b2355998*est https://artiklid.elnet.ee/record=b2816061*est https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85030666681&origin=inward&txGid=4eecd4b52cbb0e7130954987a56b3b3b https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000396591200008
• Predicting preferable substrate blends for the production of biogasKuusik, Argo; Kuusik, Aare; Loigu, Enn; Sokk, OlevRecent advances in environmental science : [proceedings of the EESD'13, WWAI'13, NAHA'13, CGB'13, GEO'13, FIAAC'13] : Lemesos, Cyprus, March 21-23, 20132013 / p. 192-197 : ill
• Reverse osmosis and nanofiltration of biologically treated leachateKuusik, Aare; Pachel, Karin; Kuusik, Argo; Loigu, Enn; Tang, Walter ZhonghongEnvironmental technology2014 / p. 2416-2426 : ill https://doi.org/10.1080/09593330.2014.908241 https://www.scopus.com/sourceid/21552 https://www.scopus.com/record/display.uri?eid=2-s2.0-84903646938&origin=inward&txGid=b21cb18052548c18750d48a02d322fd7 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENVIRON%20TECHNOL&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000337615000003
• Selection of most promising substrates for biogas productionKuusik, Argo; Kuusik, Aare; Loigu, Enn; Sokk, Olev; Pachel, KarinInternational journal of energy and environment2013 / p. 115-124 : ill
• Sewage sludge management and its trends for EstoniaKuusik, Argo; Sokk, OlevEWA Conference : Nutrient Management : European Experiences and Perspectives2004 / p. 131-138
• Välis-Eesti Korp! Wäinla 80Kuusik, ArgoTehnikaülikool1999 / 6. dets., lk. 8