Suryani, T. Rihayat, E. Setiawati, and N. Aidy. “PROMOTION OF POLYLACTID ACID ECO-FRIENDLY BY COMBINED ADDITION OF PCL CATECHIN-CHITOSAN UNDER EXTRUDING CONDITION”. International Journal of Research -GRANTHAALAYAH, vol. 9, no. 11, Nov. 2021, pp. 85-96, doi:10.29121/granthaalayah.v9.i11.2021.4380.