Cow Urine for Enhancement of Biogas Production and Fertilizer Quality of Biogas Slurry. Journal of Scientific Research, [S. l.], v. 12, n. 1, p. 135–144, 2020. DOI: 10.3329/jsr.v12i1.43031. Disponível em: https://www.banglajol.info/index.php/JSR/article/view/43031. Acesso em: 3 jul. 2026.