The Effect of Ratio of Soursop (Annona muricata L.) with Beet Pulps (Beta vulgaris) and Arabic Gum Concentration on the Quality of Fruit Leather - Rini, Putri Septia; Program Studi Ilmu dan Teknologi Pangan Fakultas Pertanian USU Medan (Universitas Sumatera Utara, 2016)