%0 Journal Article %T THE MAIN METHODOLOGICAL PRINCIPLES OF THE DEVELOPMENT OF A PHD THESIS AT THE UNIVERSITY OF STATE FIRE SERVICE OF EMERCOM OF RUSSIA %A Prokhodimova, E.M. %A Reva, Y.V. %K PhD thesis, reliability of scientific results, theoretical and practical significance of results, optimization of systems, justification of models %J Psychological and pedagogical problems of human and social security %D 2023 %N 2023 %P 6 %I Saint-Petersburg University of State Fire Service of Emercom of Russia