1.
Rengganis AP, Sulhadi S, Darsono T, Fajar DP. FABRIKASI TINTA SPIDOL WHITEBOARD BERBAHAN DASAR PIGMEN ORGANIK DARI ENDAPAN MINUMAN KOPI. PROSIDING SNF [Internet]. 2017 Oct. 30 [cited 2024 Nov. 3];6:SNF2017-MPS. Available from: https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/4492