• Annual report 2000/2001 / BEST-EstoniaMitt, Kristjan; Krispin, Madli; Kuusk, Jüri; Lepa, Riinu; Kusman, Evelin; Aija, Madis; Parts, Martin; Lillep, Kaidi2001 https://www.ester.ee/record=b1577586*est
• Tööaja vähendamine kui strateegia tasaareneva ühiskonna loomiselLepa, Riinu; Raudla, RingaVikerkaar2023 / lk. 66-69 http://www.vikerkaar.ee/archives/30010 https://www.ester.ee/record=b1073213*est
• Work time reduction as a potential instrument for sustainable communitiesLepa, RiinuSustainability in Practice : DIY Repair, Reuse and Innovation : Programme and Abstracts2025 / p. 39 https://media.voog.com/0000/0041/9715/files/Sustainability%20in%20Practice_Programme%20and%20Abstracts_2024_Estonian%20National%20Museum.pdf