Ernawati, et al. “Analisis Nilai Tambah Agroindustri Lanting Ubi Kayu Di Kecamatan Pasir Penyu Kabupaten Indragiri Hulu Provinsi Riau”. Journal of Creative Power and Ambition (JCPA), vol. 2, no. 01, Jan. 2024, pp. 16-25, https://edujavare.com/index.php/jcpa/article/view/287.