OGBIKO, C.; OKOH, E.V.C.; ABUBAKAR, H. Phytochemical Screening, In vitro Antioxidant Activity and Polyphenolic Content of the Leaves of Nigerian Ziziphus spina – Christi (L.) Willd. International Journal of Science for Global Sustainability, [S. l.], v. 6, n. 4, p. 10, 2021. Disponível em: http://fugus-ijsgs.com.ng/index.php/ijsgs/article/view/62. Acesso em: 20 sep. 2026.