Yudhawardana, Hartoyo, and Heri F. Lalus. 2023. “Analysis of Chemical Compound Content and Magnetic Properties of Iron Sand in Rondo Woing Village, East Manggarai”. Jurnal Pendidikan Fisika Dan Teknologi 9 (1):133-42. https://doi.org/10.29303/jpft.v9i1.4897.