“Value Chain Analysis for Pure and Mixed Palm Sugar Agroindustry in Rambah District, Rokan Hulu Regency, Indonesia: Analisis Rantai Nilai Agroindustri Gula Aren Murni dan Campuran di Kecamatan Rambah, Kabupaten Rokan Hulu, Indonesia”, JIA, vol. 7, no. 1, pp. 110–124, Jun. 2025, doi: 10.33019/jia.v7i1.5435.