Ulfah Marliani, Yayu. “ANALISIS DAYA SAING PERDAGANGAN GULA SEMUT INDONESIA DIPASAR INTERNASIONAL”. Jurnal Ilmiah Sosio-Ekonomika Bisnis 23, no. 01 (Januari 27, 2021): 1-9. Diakses Juli 22, 2024. https://online-journal.unja.ac.id/jseb/article/view/11861.