SANI, Bashir; EHIEN, Alfred; MUSA, Salihu; SADIQ, Mohammed. Policy Frameworks for Sustainable Growth and Development of Gum Arabic Value Chain in Nigeria’s Sudano-Sahelian Region. Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego, [S. l.], v. 26, n. 3, p. 53–79, 2026. DOI: 10.22630/PRS.2026.26.3.12. Disponível em: https://prs.sggw.edu.pl/article/view/12505. Acesso em: 28 paź. 2026.