MAHMUD, Md. Nahid; MUNIZA, Nuzhat Tabassum; AHMED, Asif. Low-Cost Biochar: A Sustainable Approach to Improve Soil Fertility and Crop Yield for Small-Scale Farmers. American Journal of Environmental Economics, [S. l.], v. 4, n. 1, p. 67–72, 2025. DOI: 10.54536/ajee.v4i1.4613. Disponível em: https://journals.e-palli.com/home/index.php/ajee/article/view/4613. Acesso em: 20 may. 2026.