Laporan Penelitian LP 362.1 PEN p Penelitian faktor-faktor yang mmempengaruhi pendayagunaan Pos yandu di Sumatera Utara (Sumut) 1988 Sembiring, Nasap Child Health services -- Research Report -- Sumatera Utara Health care Quality, Access and Evaluation Community Health services FK USU 1988 https://lib.fkm.ui.ac.id:443/detail?id=7933