?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Afdhal%2C+Roni&rft.aulast=Afdhal&rft.aufirst=Roni&rft.title=Lansia+dan+Posyandu+Lansia%3A+Studi+Kasus+Posyandu+Lansia+Nagari+Durian+Tinggi+Kecamatan+Lubuk+Sikaping+Kabupaten+Pasaman&rft.inst=Universitas+Negeri+Padang&rft.date=7+March+2013&rft.degree=Bachelor%2FSkripsi