Sulaiman N, Faiqoh E, Irna Tawaddud B, Maulidya Muntasir K. Utilization of Printing Plate Waste As Applied Chemistry Learning Media For Using Engraving and Knocking Techniques. KEG [Internet]. 2024Feb.27 [cited 2024May16];6(1). Available from: https://knepublishing.com/index.php/KnE-Engineering/article/view/15449