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), 20–31. Retrieved from https://edujavare.com/index.php/jcpa/article/view/485