Idha Silviyati, Hilwatullisan, Rusdianasari, Apri Mujiyanti, and Hetty S Nainggolan. 2024. “Characteristics of Eco-Friendly Marker Ink by Utilizing Natural Dyes From Noni Leaf Extract (Morinda Citrifolia L.)”. International Journal of Research in Vocational Studies (IJRVOCAS) 4 (1):35-39. https://doi.org/10.53893/ijrvocas.v4i1.268.