Pengaruh aktivitas bermain meniup Tiupan Lidah terhadap status oksigenasi pada anak usia prasekolah dengan pneumonia di Rumah Sakit Islam Jakarta = The effect of blowing games activity "Timpan Lidah" for oxygenation status in pre-school-age children with pneumonia in Jakarta Islamic hospital - Titin Sutini, author (Universitas Indonesia, 2011)