PENGARUH LAMA PENYIMPANAN LABU KUNING (Cucurbita moschata) DAN PERLAKUAN NATRIUM METABISULFIT TERHADAP KARAKTERISTIK FISIK TEPUNG YANG DIHASILKAN = THE EFFECT OF POST HARVEST STORAGE TIME OF PUMPKIN (Cucurbita moschata) AND SODIUM METABISULPHITE TREATMENT ON THE PHYSICAL CHARACTERISTICS OF PUMPKIN FLOUR - RIWANDANU, BONIFASIUS ADI (2013)