Hubungan sarapan, aktivitas fisik, kebugaran aerobik, IMT/U, asupan gizi, dan bimbingan belajar terhadap prestasi belajar di SMAN 1 Bekasi tahun 2014 = Association between breakfast physical activity aerobic fitness BMI for age nutrient intake and tutoring with academic achievement in SMAN 1 Bekasi year 2014