TURNIP, N. Effect of nira (Arenga pinnata Merr) tapping tools on the abudance and identification of microorganisms. Journal of Engineering and Scientific Research, [S. l.], v. 5, n. 2, p. 112–117, 2023. DOI: 10.23960/jesr.v5i2.150. Disponível em: https://jesr.eng.unila.ac.id/index.php/ojs/article/view/150. Acesso em: 1 jul. 2025.