El colapso del regimen comunista en EstoniaRamiro Troitino, David; Kerikmäe, Tanel; Atallah, MaxEl colapso del comunismo (1989-1991) : visiones desde Europa y America2017 / p. 125-138 Introduction - limited statehood and its security implications on the fragmentation political order in the Middle East and North AfricaPolese, Abel; Hanau Santini, RuthRethinking statehood in the Middle East and North Africa : security, sovereignty and new political orders2019 https://www.crcpress.com/Rethinking-Statehood-in-the-Middle-East-and-North-Africa-Security-Sovereignty/Polese-Santini/p/book/9780367180881 Limited statehood and its security implications on the fragmentation political order in the Middle East and North AfricaPolese, Abel; Hanau Santini, RuthSmall wars & insurgencies2018 / p. 379-390 https://www.tandfonline.com/doi/full/10.1080/09592318.2018.1456815# Milleks meile riik?Tõugu, EnnPostimees2013 / lk. 12 https://www.postimees.ee/1095632/enn-tougu-milleks-meile-riik Regime shifts in the natural environment in the northern Baltic Sea region in late 1980sJaagus, Jaak; Alari, Victor; Arula, Timo; Järvet, Arvo; Kont, Are; Kotta, Jonne; Kull, Ain; Laanemets, Jaan; Männik, Aarne; Ojaveer, Henn; Raudsepp, Urmas; Reihan, Alvina; Rõõm, Rein; Sepp, Mait; Suursaar, Ülo; Tamm, Ottar; Tamm, Toomas; Tõnisson, Hannes10th Baltic Sea Science Congress : Science and innovation for future of the Baltic and the European regional seas : 15-19 June, 2015, Riga, Latvia : abstract book2015 / p. 64 http://www.bssc2015.lv/wp-content/uploads/2015/07/10th_BSSC_AbstractBook_final.pdf Общественный порядок и личность в свете Ленинских идейLivšits, JusefFilosoofiaalaseid uurimusi. [1]1971 / с. 93-107 https://www.ester.ee/record=b1386704*est https://digikogu.taltech.ee/et/Item/0b8d0756-ce06-408d-a425-a66b7a1e6727