Avram, V. S. “An Educational Perspective on the Philosophy of Petre Paul Negulescu (1872–1951) at the Romania Centennial’s (1918–2018)”. 2018. New Trends and Issues Proceedings on Humanities and Social Sciences, vol. 5, no. 1, June 2018, pp. 57-67, doi:10.18844/prosoc.v5i1.3383.