Pengaruh Konsentrasi CMC (Carboxyl methyl cellulose) Terhadap Sifat Fisikokimia Dan Organoleptik Fruit leather Campuran Buah Nanas (Ananas comosus L Merr) Dan Pisang (Musa paradisiaca)/The Effect of CMC (Carboxyl methyl cellulose) Concentration on Physicochemical and Organoleptic Properties of Fruit leather Blend of Pineapple (Ananas comosus L Merr) and Banana (Musa paradisiaca)