Pengaruh latihan keseimbangan fisik terhadap keseimbangan tubuh lansia di Panti Sosial Tresna Werdha Wilayah Pembda DKI Jakarta = The effect of physical balance exercise to postural balance in older people at Panti Sosial Tresna Werdha (PSTW) in Pemda Region DKI Jakarta 2009 / Raden Siti Maryam - Raden Siti Maryam, author (Fakultas Ilmu Keperawatan Universitas Indonesia, 2009)