KHAIRUDIN. Analisis Usaha Agroindustri Rengginang Ubi Di Desa Tanah Datar Kecamatan Rengat Barat Kabupaten Indragiri Hulu. Journal of Creative Power and Ambition (JCPA), [S. l.], v. 2, n. 02, p. 20–31, 2024. Disponível em: https://edujavare.com/index.php/jcpa/article/view/485. Acesso em: 22 sep. 2026.