OPTIMAL INVESTMENT AND CONSUMPTION STRATEGIES WITH DEBT RATIO IN A STOCHASTIC VOLATILITY MARKET. The Transactions of the Nigerian Association of Mathematical Physics, [S. l.], v. 23, p. 139–156, 2026. DOI: 10.60787/tnamp.v23.628. Disponível em: https://nampjournals.org.ng/index.php/tnamp/article/view/628.. Acesso em: 13 mar. 2026.