Semenog , O. et al. 2022. DEVELOPMENT OF INFORMATION AND DIGITAL COMPETENCE OF FUTURE MARINE OFFICERS IN THE CONDITIONS OF INFORMAL EDUCATION: THE ESSENCE OF KEY CONCEPTS. Physical and Mathematical Education. 36, 4 (Sep. 2022), 70–78. DOI:https://doi.org/10.31110/2413-1571-2022-036-4-010.