?url_ver=Z39.88-2004&rft_id=https%3A%2F%2Fdoi.org%2F10.22435%2Fbpk.v49i3.4802&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Veridiana%2C+Ni+Nyoman&rft.aufirst=Ni+Nyoman&rft.aulast=Veridiana&rft.pages=145-154&rft.issn=0125+-+9695&rft.date=2021&rft.title=Buletin+Penelitian+Kesehatan&rft.issue=3&rft.atitle=Faktor+Internal+dan+Eksternal+Kejadian+Pneumonia+pada+Anak+Bawah+Dua+Tahun+di+Indonesia&rft.volume=49&rft.genre=article