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2015
Stoyanova, S., & Petrova, V. (2015). DYNAMICS OF DEPRESSION AMONG ADOLESCENTS IN SECONDARY SCHOOLS IN BULGARIA. Problems of Psychology in the 21st Century , Problems of Psychology in the 21st Century , 9(1), Continuous. presented at the June/2015. doi:https://doi.org/10.33225/ppc/15.09.26