PENENTUAN KOMBINASI MAKANAN JAJANAN TRADISIONAL HARAPAN UNTUK MEMENUHI KECUKUPAN ENERGI DAN PROTEIN ANAK SEKOLAH DASAR DI KOTA PALEMBANG DETERMINATION OF EXPECTED TRADITIONAL STREET FOOD COMBINATION TO FULFILL ENERGY AND PROTEIN REQUIREMENT ON ELEMENTARY SCHOOL CHILDREN IN PALEMBANG - FEBRY , FATMALINA (2006)