SUTRISNO, Julia Dwi Ananda Putri; SUMARWAHYUDI. Natural Coloring Innovation: Analysis of Ecoprint Process on Leather at NURB Leather Gallery Malang . IJESS International Journal of Education and Social Science, [S. l.], v. 6, n. 1, p. 23–32, 2025. DOI: 10.56371/ijess.v6i1.369. Disponível em: https://ejournal.aissrd.org/index.php/ijess/article/view/369. Acesso em: 12 may. 2026.