Khairudin (2024) “Analisis Usaha Agroindustri Rengginang Ubi Di Desa Tanah Datar Kecamatan Rengat Barat Kabupaten Indragiri Hulu”, Journal of Creative Power and Ambition (JCPA), 2(02), pp. 20–31. Available at: https://edujavare.com/index.php/jcpa/article/view/485 (Accessed: 22 September 2026).