Study on the Effect of Waste Engine Oil on the Growth of Three Local Pepper Species Capsicum frutescens, Capsicum chinense and Capsicum annum. Asian Journal of Applied Sciences, [S. l.], v. 2, n. 5, 2014. Disponível em: https://ajouronline.com/index.php/AJAS/article/view/1672. Acesso em: 11 feb. 2026.