Validasi food photograph application (FPA) sebagai alat ukur estimasi porsi pada wanita usia subur dan bayi usia 6-11 bulan di Kecamatan Senen Jakarta Pusat = Validity of food photograph application (FPA) as portion estimation tools of women at reproductive age and infants age 6-11 months in Senen Sub District Central Jakarta / Septriana - Septriana, author (2013)