beliefs childhood conducta suicida creencias etapa escolar factores de riesgo infancia risk factors school stage suicidal behavior

adolescence adolescencia embarazo factores de riesgo pregnancy programa psicoeducativo psychoeducational program risk factors

adolescentes adolescents dinámica psicosocial escuela factores de riesgo factores protectores protective factors. psychosocial dynamics risk factors school violence violencia