Petrova, E. The Science of Upbringing, Training and Education – Historical Review, Etymological Research and Interpretation of Pedagogical Concepts. София: 2024 809-824,.
Petrova, E. The Science of Upbringing, Training and Education – Historical Review, Etymological Research and Interpretation of Pedagogical Concepts. София: 2024 809-824,.
Petrova, E. (2024) The Science of Upbringing, Training and Education – Historical Review, Etymological Research and Interpretation of Pedagogical Concepts, София: 809-824,.
Petrova, E. (2024). The Science of Upbringing, Training and Education – Historical Review, Etymological Research and Interpretation of Pedagogical Concepts. София: 809-824.
Petrova E. The Science of Upbringing, Training and Education – Historical Review, Etymological Research and Interpretation of Pedagogical Concepts. София: 2024. p. 809-824.
