Magnetic susceptibility, composition, and morphology of iron oxide particles resulting from ball milling of natural sand in the Rokan River Elfitah Ramadhani Triana ; Salomo Salomo ; Erwin Amiruddin ; Rahmondia Nanda Setiadi Komunikasi Fisika Indonesia 8 Sep 2026 10.31258/jkfi.21.2.121-126
