Khairudin. Analisis Usaha Agroindustri Rengginang Ubi Di Desa Tanah Datar Kecamatan Rengat Barat Kabupaten Indragiri Hulu. JCPA [Internet]. 2024 Aug. 5 [cited 2026 Sep. 22];2(02):20-31. Available from: https://edujavare.com/index.php/jcpa/article/view/485