AKPAN, Dominic A. The Diminishing Relevance of Oil and the Need for Economic Diversification: The Indian Experience with Neem Tree. AKSU Journal Of History & Global Studies, Nigeria, v. 2, n. 3&4, p. 68–76, 2016. DOI: 10.60787/aksujhgs.vol2no3&4.37. Disponível em: https://aksujhgs.org.ng/index.php/home/article/view/37. Acesso em: 28 feb. 2026.