PETER, I. O.; KYENGE, B. A. Synthesis, Physicochemical Analysis, and Characterisation of Periwinkle-Based Chitosan. Journal of Discoveries in Applied and Natural Science, [S. l.], v. 4, n. 1, p. 15–25, 2026. Disponível em: https://journals.proindex.uz/index.php/JDANS/article/view/3169. Acesso em: 2 apr. 2026.