Studi pengaruh komposisi sarapan berdasarkan nilai kkal terhadap performa kognitif dan fisik siswa/i SMP/SMA Negeri Khusus Olahragawan Ragunan = The study of the effects of breakfast composition based on kcal valueto the cognitive and physical performance of the Junior and Senior High School for Athletes Ragunan students - Asseta Ismadhianti Kadar, author (Fakultas Teknik Universitas Indonesia, 2012)