2025. Utilization of Coconut Fiber as a Basic Material for Black Batik Ink Through thePyrolysis Process: Analysis of Color Concentration and Environmentally FriendlyPotential. Jurnal Teknologi Pangan dan Industri Perkebunan (LIPIDA). 5, 2 (Oct. 2025), 185–194. DOI:https://doi.org/10.58466/4zxk6w11.