Abadi Z, Kurniawan A, Arafat A, Abdillah N, Senthot D. Analysis of riser variations in recycled aluminum sand casting on hardness values. INVOTEK: Jurnal Inovasi Vokasional dan Teknologi [Internet]. 13Oct.2021 [cited 29Apr.2024];21(3):213-20. Available from: http://invotek.ppj.unp.ac.id/index.php/invotek/article/view/940