Horga, Ioan, (2010), "The multilevel governance (MLG) and the respect of the subsidiarity principle", in Horga, I., Suli-Zakar, I., Cross-Border Cooperation Partenership. Whit special regard to the Hungarian-Romanian-Ukrainian tripartite border, Debrecen -Oradea, pp. 167-172
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Horga, I. (2010). The multilevel governance (MLG) and the respect of the subsidiarity principle". Debrecen -Oradea: Whit special regard to the Hungarian-Romanian-Ukrainian tripartite border, pp. 167-172.
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