S. Purwanto, M. Dani. STRUKTURMIKRO DAN SIFAT MAGNET PASIR BESI PASCA ULTRASONIFIKASI. j. sains materi indonesia [Internet]. 2017 Oct. 31 [cited 2026 Nov. 15];19(1):14-8. Available from: https://ejournal.brin.go.id/jsmi/article/view/5929