Tsolova, G., Manolova, A., Dimitrov, P., Dimitrova, A., Strandzheva, M., & Evstatieva, K. (2016). Behavioral Health Risk Factors Among School Children Aged 14-18. International Journal For Research In Health Sciences And Nursing, 2(3), 79–92. https://doi.org/10.53555/hsn.v2i3.291