1. Doctrine of the Armed Forces of the Republic of Bulgaria, Order of the Minister of Defence № OH-57/30.01.2012 (2012).
Doctrine for Human Resources Management in the Armed Forces NP-1, Order of the Minister of Defence № OH-179 / 03.06.2013, (2013a).
Petrova, E., (2016a) A Study on the Cadets' Satisfaction with Choice of Academic Specialty at the National Military University, Bulgaria, Socio-economic Analysis Scientific Journal, Department of Economics, St. St. Cyril and Methodius University, Bulgaria, / Volume 8 / Number 1.
Petrova, E., (2015a) Methodology on Study of Motivation for Education based on Opinions' Research of Cadets from Vasil Levski National Military University, Bulgaria, Socio-economic Analysis Scientific Journal, Department of Economics, St. St. Cyril and Methodius University, Bulgaria, Book 2 / Volume 8.
Petrova, E., Zegoicea, Andrei, (2013b) Comparative Case Study Regarding Cadet's Motivation - Methodology, Revista Academiei Fortelor Terestre, Nicolae Balcescu Land Forces Academy, Sibiu, Romania, Vol. XVIII, Nr. 3 (71), Trimestrul III.
Madansky, V., (2016b) Fundamentals of the Survival in Extreme Conditions of Military Professional Activity. DSc Dissertation, Veliko Turnovo.
Todorkov, K. (1998) Psychological Aspects of Management Activity of the Commander, Ministry of Defence, S.
Classification of the Military Positions in the Directly Subordinate to the Minister of Defence and Armed Forces Structures, Decree № 84/ 26.04.2010 , issue 24 by March 12, (2013c).
Nichev, N., Petrova, E., (2015b) Professional Training of Future Logistic Officers at the National Military University of Bulgaria, Sibiu, Romania, The 21st International Conference The Knowledge-Based Organisation, Nicolae Balcescu Land Forces Academy.