Surculento-Villalobos R, Lopez N. L. Conversion of coffee and plastics residues into activated carbon by chemical activation with ammonia. Sci. agropecu [Internet]. 2026 Apr. 7 [cited 2026 Oct. 27];17(2):409-18. Available from: https://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/7474