• Assessment of the development limitations for wave energy utilization in the Baltic SeaVidjajev, Nikon; Palu, Riina; Terentjev, Jan; Hilmola, Olli-Pekka Kristian; Alari, VictorSustainability2022 / art. 2832 https://doi.org/10.3390/su14052832 https://www.scopus.com/sourceid/21100240100 https://www.scopus.com/record/display.uri?eid=2-s2.0-85125810969&origin=inward&txGid=2821fef5ea39044873434e292adaf126 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=SUSTAINABILITY-BASEL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000768239900001
• Experiences from maritime logistics distance learning courseHilmola, Olli-Pekka Kristian; Palu, Riina; Tolli, AndresEducating Engineers for Future Industrial Revolutions : Proceedings of the 23rd International Conference on Interactive Collaborative Learning (ICL2020). Volume 12021 / p. 577-585 https://doi.org/10.1007/978-3-030-68198-2_53 https://www.scopus.com/sourceid/5100152904 https://www.scopus.com/record/display.uri?eid=2-s2.0-85104422156&origin=inward&txGid=8299f9929d0a13ae333313265b50b028 https://www.webofscience.com/wos/woscc/full-record/WOS:000772389500053
• Future potential of Trans-Caspian corridor: ReviewPalu, Riina; Hilmola, Olli-Pekka KristianLogistics2023 / art. 39 https://doi.org/10.3390/logistics7030039 https://www.scopus.com/sourceid/21101126970 https://www.scopus.com/record/display.uri?eid=2-s2.0-85171427588&origin=inward&txGid=c7930380a6f1f40f2e11e1218928ece8 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=LOGISTICS-BASEL&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001146109500001
• Limitations and Opportunities for Wave Energy Utilization in the Baltic Sea : the case-study of EstoniaVidjajev, Nikon; Palu, Riina; Terentjev, Jan; Hunt, Tõnis21st Annual General Assembly – AGA 2021, Alexandria, Egypt, 26th-28th October 2021 : proceedings of The International Association of Maritime Universities2021 / p. 638–647 : map https://aga21.aast.edu/templates/frontend/aga21/ltr/templates/AGA21-Conference-Proceedings.pdf
• Recovery of ro-pax ferry traffic from covid-19 under tightening environmental regulations : case Helsinki-TallinnTapaninen, Ulla Pirita; Palu, RiinaJournal of shipping and trade2022 / art. 10 https://doi.org/10.1186/s41072-022-00112-x
• Shipping related activities and their environmental impact – lessons learnt from the Estonian case studyTombak, Mari-Liis; Tapaninen, Ulla Pirita; Palu, RiinaTransNav : the international journal on marine navigation and safety of sea transportation2023 / p. 973-980 https://doi.org/10.12716/1001.17.04.24 https://www.scopus.com/sourceid/21100914186 https://www.scopus.com/record/display.uri?eid=2-s2.0-85177454093&origin=inward&txGid=4adf76ab52d483016aad9549cebfbf3d https://jcr.clarivate.com/jcr-jp/journal-profile?journal=TRANSNAV&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001106422900008
• Short sea shipping between Estonia and Finland : Covid-19 mitigation measuresPalu, Riina; Hilmola, Olli-Pekka Kristian; Hunt, Tõnis; Tolli, AndresInternational Association of Maritime Economists Conference 20212022 https://d1j0dbg7fhovrj.cloudfront.net/assets/iame2021/abstractfiles/RTM_1636446001RTM86_Palu_ExtendedAbstract_ShortSeaShippingbetweenEstoniaandFinlandCovid-19MitigationMeasures_211104.pdf https://iame2021.dryfta.com/program-schedule/program/37/the-climate-transition-sustainable-supply-chains
• Small island public transport service levels : operational model for EstoniaHunt, Tõnis; Tapaninen, Ulla Pirita; Palu, Riina; Laasma, AndresTransNav : the international journal on marine navigation and safety of sea transportation2024 / p. 315-322 https://doi.org/10.12716/1001.18.02.07