Efektivitas intervensi psikoedukasi kesehatan reproduksi remaja tunagrahita terhadap pengetahuan dan praktik orangtua siswa tunagrahita di SLB C Tri Asih Jakarta = Effectiveness of psychoeducational interventions health of reproductive intellectual disability teenager for knowledge and practice intellectual disability student s parents in SLB C Tri Asih Jakarta / Merry Maeta Sari