NICULAE, D. S. . “Protocol No. 5 of March 12, 1932. A Legal Approach With Delayed Effects on Bilateral Investigation of Incidents at the Romanian Bulgarian Border”. BULLETIN OF "CAROL I" NATIONAL DEFENCE UNIVERSITY, vol. 12, no. 4, Jan. 2024, pp. 253-65, doi:10.53477/2284-9378-23-63.