Janavičienė, D. and Žiemelis, D. 2021. Commemoration of the 30th Anniversary of the Martynas Mažvydas National Library of Lithuania as a Parliamentary Library: The International Research Conference ‘Political Leadership in a Parliamentary Democracy’. Parliamentary Studies. 31 (Dec. 2021), 116–121. DOI:https://doi.org/10.51740/ps.vi31.780.