Ayesha, Ivonne. “ANALISIS EFISIENSI USAHA GULA MERAH TEBU DI DESA LINDUNG JAYA, KECAMATAN KAYU ARO, KABUPATEN KERINCI”. UNES Journal Of Social and Economics research 2, no. 2 (December 29, 2017): 164 - 171. Accessed July 6, 2025. https://www.ojs.ekasakti.org/index.php/UJSCR/article/view/100.